WO2018170618A1 - Primary and secondary traffic light intersection for use in commutation at opposite two-way, four-sided, and constantly busy secondary intersection - Google Patents

Abstract

A primary and secondary traffic light intersection for use in commutation at an opposite two-way, four-sided and constantly busy secondary intersection, which, by means of changing a current releasing mode of traffic lights at an intersection, mainly shortens the ratio between vehicle release waiting time for a single direction of a current traffic light intersection and release time from approximately 3:1 to approximately 1:1 such that the utilization rate relative to unit time of a road, i.e., the total number of vehicles passing through a same length of road during a unit time, increases 2-3 times, thereby solving the problem of urban traffic congestion which is caused by poor releasing efficiency of traffic lights.

Description

A primary and secondary traffic light intersection with a reversing direction of a two-way four-way road Technical field

A primary and secondary traffic light intersection with a reversing direction of a two-way four-way road

It involves the field of modern urban traffic control, especially the intelligently optimized traffic command at the traffic light intersection with very common plane road intersections, and the low-cost high-passage road transportation management category.

Background technique

With the development of modernization, the automobile has become quite popular, and its land occupation and road area are far from the past. As a result, the road widening new construction has not kept pace with the development of the situation, and even spread to third- and fourth-tier cities. The reason is not only the construction of roads and the construction of parking spaces, but also the problem of the utilization of roads per unit time (or the volume ratio of road vehicles per unit time, that is, the total number of vehicles passing the same length in unit time), especially the use of vehicles. For a century, with the intersection of plane traffic and the intersection of the staggered nodes, the pass rate of the pole bottom makes the vehicle stay on the road for a long time (the floor area ratio of the road is too low per unit time), serious Curb the smooth flow of modern transportation and road utilization.

Here is a brief analysis:

1-1. The basic composition of the current traffic light intersection:

1, the road. 2, a traffic light with a single indicator function. 3. Diversion line. 4. Safety Island. Most of the intersections are basically independent control, and they do not have mutual linkage, and they do not have the initiative to optimize and regulate.

1-2. Current traffic light traffic conditions:

Take the representative 4-way 3-lane intersection with the right-hand rule (the steering wheel is on the left left rudder) as an example. (Fig. 1) The 12 lanes, 4 directions and 12 free lanes are respectively programmed as (a, b, c). (a ¹ , b ¹ , c ¹ ). (a ² , b ² , c ² ). (a ³ .b ³ .c ³ ), there are currently three modes of travel, the general disadvantage is low pass rate, road utilization Rate difference:

1-2-1, 3/12 mode:

That is, (a, b, c). (a ¹ , b ¹ , c ¹ ). (a ² , b ² , c ² ). (a ³ .b ³ .c ³ ) four-way, any one direction group (a , b, c) when passing the intersection, the other three direction groups (a ¹ , b ¹ , c ¹ ). (a ² , b ² , c ² ). (a ³ .b ³ .c ³ ) are waiting, at When the number of lanes, the number of seconds passing the traffic lights are the same, and the roads are full, the efficiency of passing the intersection (the floor area ratio of the road vehicles per unit time, that is, the total number of vehicles passing the unit time in the same length of the road) passes through each direction with respect to the overpass unit time. The 100% pass rate of the three-dimensional traffic of the vehicle (the floor space rate per unit time) is only equivalent to [(a,b,c)]/[(a,b,c)+(a ¹ ,b ¹ ,c ¹ ) +(a ² , b ² , c ² )+(a ³ .b ³ .c ³ )]=3/12=25% pass rate.

In fact: if you pass the total time of a traffic light at 120 seconds, the average time is only 30 seconds in each direction. In other words: the peak period takes 90 seconds to stagnate on the road, waiting for 30 seconds to release. That is, the waiting time and the release time ratio = 3 times, and the energy can not be congested.

1-2-2, 4/12 mode:

That is, the state of any b, c phase double-pass, such as the phase of (b, c) + (b ² , c ² ), the efficiency of the vehicle passing through each direction per unit time is 4/12 = 33%, and It is not the normal state, accounting for less than 1/2 of the traffic at the intersection. In 1/2, the comprehensive passing rate of the entire intersection (25%+33%)/2=29%. It is far below the 100% pass rate of interchanges and stereos.

Some old styles a, b, and c are at the same time in the state of the two-way intersection, and the benefit is even worse due to the road shearing effect of the left-hand vehicle.

1-2-3, 4.5/12 mode:

That is, in the 3/12, 4/12 mode, the intersection of the round cake lamp without the arrow is arbitrary c (ie c+c ¹ +c ² +c ³ and is called 4c normal state---four sides are always open) Under the premise of polite pedestrians, the right pass can be done at any time, and the actual pass rate is equivalent to +0.5 in 4/12 mode, which is called 4.5/12 mode. The maximum pass rate is 37%, and the pedestrian pass rate is seriously reduced.

More serious is in a lot of congestion, 1, the front of the vehicle has been saturated with green light also shows the passage (although there are green lights, red light strict regulation is also not blocked in the blockage), many vehicles will go forward, more serious add At the crossroads, it is called "saturated plug". 2. Another kind of congestion situation is “waiting for blocking”, that is, the other direction is emptied (green light is displayed but no vehicle passes). This direction causes secondary congestion due to waiting in line, which will seriously reduce the passing rate of the entire intersection. More and more blocked.

In the case of the left-hand traffic regulation (or the steering wheel in the right-hand rudder), the same is true for the floor volume of the road vehicle per unit time, and the passing rate is poor.

technical problem

Since the traffic lights at the current traffic light intersection are basically based on 3/12 and its transformation mode, the release rate per unit time is extremely low. The ratio of the waiting time and the release time of the vehicle in one direction is 3:1. For example, if it passes 120 seconds The total time of traffic lights intersections only took 30 seconds in each direction. In other words: the peak period took 90 seconds to stagnate on the road, waited for 30 seconds to release, the vehicle did not go out, and automatically formed congestion.

Technical solution

If the ratio of waiting for release to the release time is adjusted to be close to 1:1, the congestion problem caused by the traffic light release mode is solved.

A primary and secondary traffic light intersection at the opposite direction of the two-way four-way road:

First, the basic composition and brief description:

1-1. Basic components: On the basis of the current 1. Road, 2, traffic lights, 3. Diversion lines, 4. Safety Island, 5. Intelligent traffic lights + secondary traffic lights, 6. Reversing heads, 7 An independent and simple intelligent linkage device with intelligent interfaces and interoperability.

1-2. Brief description: Take the example of the crossroads with 12 free lanes in the 3 lanes and 4 directions under the right traffic rule (left rudder), (Fig. 2) (Fig. 7). Cancel the left line, (Note: cancel the right line in the case of the right rudder in the left traffic rule), add the heading port with the secondary traffic light, and change the left line indicator to indicate the straight line or the right line, so that the main intersection only Two opposite two-pass states (AA or BB in Figure 2) can achieve at least 6/12 mode, such as (a, b, c) + (a ² , b ² , c ² ) in the opposite direction, In the up-and-down AA direction state in FIG. 2, or (a ¹ , b ¹ , c ¹ ) + (a ³ .b ³ .c ³ ) left-right BB-direction state (limited to the frame, unlabeled drawing The vehicle that is still in the AA direction in the up and down direction and the BB direction in the left and right direction, the same below) can pass uniformly at one time, which is the 200% pass rate of the 3/12 mode.

If the other 2c (c ¹ + c ³ ) four-way constant-pass state is added, it is 8/12=66.6%, and is supplemented by not venting (that is, the green light direction is waiting for the car to be blocked in the other direction), and is not put. A simple magnetic induction intelligent adjustment system (this technology is relatively mature, or a new alternative invention, which is already in the state of saturated saturation of the green light in front of the vehicle) (increased by the technology, or a new alternative invention, this slightly) increases the throughput rate by 10-20%. It is about 300% pass rate of the current 3/12 mode, which is close to 70-80% of the three-dimensional traffic (only relative to the current pass rate, it should be possible if the future is fully intelligent). Especially for the two-lane four-direction miniature traffic light intersection, it is more efficient.

The left-handed vehicle is mainly incorporated into the straight-line or right-handed turn. When the idle time of the main intersection is used to change the state, the left-hand direction is reversed through the turn-over port, which does not affect the pass rate of the main intersection, and is added at the turn-over port. The pedestrian passage avoids the shortcomings of the right-handed vehicle cutting pedestrians in the normal state of the four-way road, and is also due to the special linkage blocking effect of the secondary traffic lights (there are two kinds of synchronization with the main traffic lights, peak state and normal state), at the peak In the state, even if the road is full of vehicles, it can also be unblocked.

Second, the specific implementation method:

For example, in the right traffic rule, cancel the left traffic light at the intersection and turn it into a straight line light + a right line head light, or a straight line light + a straight line head light as an example:

2-1. Turn left to the right and cancel the left line:

的图案，由于该右行灯的4c边道常态通行，所以有提前变道的机会，如果该右行道路没有调头口则显示为类似

图案，表示只能右行。(The lower left corner of Figure 3, Figure 4, Figure 7) The original (a) road of (a, b, c), such as AA, is waiting for a left turn when waiting for a red light. Now (a) Change to go straight, turn left to the right lane of c or b, c road in the case of polite pedestrians (in the crowded intersection AA to the green light c road can show red light forcibly greet pedestrians), take the normal release Use BB to go to the busy time of the passage to be passed, drive on the c road to the head of the secondary traffic light, wait for the green light signal synchronized with the AA to the green light to be merged into the BB direction, so as to fully utilize the leisure time left. The line to the right of the line is turned to the right to cancel the left line of the target. The c-normal normal line of the light guide lamp should be displayed as similar to the lower left (11) of Figure 7.

The pattern, because the 4c side of the right traffic light passes normally, there is a chance to change lanes in advance. If the right-hand road has no dimming mouth, it will be similar.

The pattern indicates that it can only be on the right.

b lanes can go straight and go right when going straight. Vehicles that want to go left can also achieve left lanes by b-right and +-turn, and will not cause lanes due to the fact that the left and right-hand vehicles are all merged into channel c. Congestion.

The problem is how the vehicle and the successor vehicle that are passing through the head of the original BB are allowed to turn around and jump in the queue. At the BB heading, install a secondary traffic light that is synchronized with the AA to the main traffic light and delayed. , to prevent the (a ¹ , b ¹ , c ¹ direction) from following the vehicle, to provide the U-turn time, the U-turn venue for the left-right vehicle, and to realize the left to the right.

How to take the appropriate position of the U-turn port depends mainly on: 1. The sum of the vehicles on the left and right peaks, the number of lanes at the main intersection and the release time, 3. The road condition.

However, this method is mainly used in the main roads (such as 6-lane and 3-lane intersections, 6-lane main road, 3 lanes for trunk roads), such as 3-lane main road and 2-lane trunk road. The intersection is mainly designed for left-turning vehicles on three lanes. If the vehicle is used for the left turn of the main road, the passing rate of the entire intersection will be greatly reduced.

In special circumstances, such as the morning and evening peaks, when the main road has few reverse vehicles, it is applied to the trunk roads, and the pass rate of the left-hand vehicles and the entire intersections of the trunk roads is increased.

2-2. Turn left to cancel the left navigation:

(Upper left corner, upper right corner, lower right corner in Figure 5, Figure 6, and Figure 7)

的图案，如图7中的⑨，代表可直行、可调头，如果不允许调头，则显示为的“︱”图案，图7中的⑿表示只能直行，从而完全可以取消左行指示灯，实现化左为直，此时b¹道显示为“︱”图案。c¹道显示为

图案。For the same reason, if the straight BB is in the 6/12 state (a ¹ , b ¹ , c ¹ ), the vehicle in the case where the left is right is left, and after crossing the traffic light, the head opening is opened at the appropriate position. Add a delay (a ³ .b ³ .c ³ ) track to the secondary traffic light. The straight-through vehicle can use the straight + turn to achieve the left turn. The pattern of the light guide lamp is different, and the a ¹ pattern is intelligently changed into similar

The pattern, as shown in Figure 7, is 9, which can be straight, adjustable, if the head is not allowed to be displayed, the "-" pattern is displayed, and the (12) in Figure 7 indicates that it can only go straight, so that the left line indicator can be completely eliminated. the left of a straight-implemented, then b ¹ Run displays as "|" pattern. The c ¹ track is displayed as

pattern.

However, this method is mainly applied to the left lane of the trunk road, and the left lane pass rate of the main road vehicle will also be Great discount.

In special circumstances, such as the morning and evening peaks, when the main road has few reverse vehicles, it is applied to the main road, and instead increases the passing rate of the left-hand vehicle and the entire intersection of the main road.

2-3. Optimization method for time allocation of traffic lights in A-A and B-B directions.

A-A and B-B traffic light time allocation ratio standard: Take 60 seconds as a basic unit of total allocation time. (The actual implementation can adjust the basic unit of total time according to the actual situation) Optimize the pass rate of the intersection (Figure 8):

Because the distance between the front and rear traffic lights in the four different directions of the intersection is different, as shown in Figure 8, DE, DF, DG, and DH, they must pass in the opposite direction in the 6/12 direction, and the direction cannot be congested in any direction. The standard of time allocation ratio:

The AA direction is divided into A long (DF) A short (DH), BB direction is divided into B long (DG) B short (DE), generally A short / (B short + A short) × 60 seconds = AA direction The number of seconds that the green light is occupied every minute (60 seconds), and the BB direction can be reduced by 60 seconds.

What is the concept of B short and A short: Of course, it cannot be simply considered as the road length L, but should be the normal speed S that the vehicle can achieve through the road section. With L/S=T, the time passing through the road section is the time concept. . Due to the different speed standards for different road sections, it is necessary to collect in the field. Baidu map has already done statistics.

2-4. Method of simple grooming intelligent traffic light to guide and guide:

The intelligent traffic light can change the pattern, which is equivalent to the traffic police on the road command, so as to play the role of intelligent guidance in the case of emergency.

2-4.1. As shown in (Fig. 7), replacing the original c-channel right-line indicator with an indicator light with three convertible patterns plays a different role in guiding:

的。图7中⑾里的右道灯图案。(1), when the left is right, the c-channel indicator pattern: similar

of. The right-hand light pattern in (11) of Fig. 7.

(2) In the case where the line cannot be right, the c channel is as shown in the (-) straight line of the indicator pattern in Figure (12) (usually used in the case of two lanes without a safe island) to avoid the BB upward. Accidental plugging, maintenance plugging, etc., the role of rerouting.

防止车辆以为可以化左为右的。(3), c road can only be right line indicator pattern

Prevent the vehicle from thinking that it can turn left to the right.

2-4.2, there is also a ¹ indicator light change:

图7中⑨里的直行道灯图案。(1) When the straightening is left, the indicator pattern: similar

The straight street light pattern in 9 of Figure 7.

(2) There is no head opening, only the light pattern "-",

The specific use depends on the specific intersection and there will be a more abundant intelligent pattern of the indicator light at a glance.

2-5, keep the smooth, first plugging method:

That is to ensure the smooth flow of main roads and the principle of preferential release of congested roads, automatically adjust the A-A, B-B to transit time ratio (mainly through the simple intersection intelligent obstacle blocker):

2-5.1 Simple intersection intelligent occlusion device:

(Fig. 9) Two wireless geomagnetic sensors (already mature products) G ¹ , G ² with a distance of 10 m are buried at 80 to 90% of the distal end of A long A short and B long B short. Since most of the length of the car does not exceed 5 meters, the number of times of passing and the time difference t ¹ -t ² =t of G ¹ G ² and the distance of 10 meters are used to collect the number of vehicles passing through the road section, the speed of the vehicle, and the condition of the car blockage. In the case where any one of the long A short and the B long B short is about to be congested, the passage time of the 5s clock in the direction is automatically extended to adjust the congestion. In order not to cause secondary congestion in the other direction of the vehicle, it should be established in the other direction, the original passage time is not reduced, and the basic unit time of the total allocation time is automatically adjusted to 60 seconds, which is the intelligence of the saturation block. Adjustment.

If A short/B short unit time is greater than 2 times the design value, then B is shortened by 5s, and a basic unit time of total time is adjusted to 55s seconds to minimize the venting. The specific adjustment depends on practice. The actual situation is optimized.

2-5.2. If the two directions are congested at the same time, the simple occlusion device at the single intersection can no longer be adjusted, then it will automatically enter the peak period mode, suppress the trunk road vehicles to ensure the smooth flow of the main road, or connect the remote artificial intelligence intervention through the simple traffic light intelligent traffic light. Adjusting the “double” (ie, turning left to right and turning left to straight) intelligent patterns to adjust the vehicle to the next intersection, which is equivalent to the traffic police directly on the road coordination (Beijing has had a successful case of dredging).

2-6, the general state and peak state of the congestion adjustment method:

According to the number of vehicles passing through the G ¹ G ² sensor, the speed of the vehicle and the condition of the car block, the three modes of the intelligent roadblocker are used to determine the on/off status of the primary and secondary traffic lights:

1. Conventional state: If the road vehicle is insufficient and unblocked, the primary and secondary traffic lights adopt a positive delay scheme, that is, the main traffic light first lights up red, and the secondary traffic light lights up red light according to the normal driving time of the primary and secondary intersections.

2, the peak state: (1). Before the peak period does not appear, the primary and secondary traffic lights are switched to 0 seconds (the road vehicle is insufficient, the smooth state is to delay the second, that is, the delay), the main will be advanced The intersection and the head opening are left in advance (the same as the Go eye) to build a living;

(2) If the road is already full of the peak period of the vehicle, turn the secondary traffic light into a negative delay, red light in advance, and build a new space between the main intersection and the turning mouth. Vehicles on the road are not crowded on the road, etc. The state is mainly based, so that even if the road is full of vehicles, it can ensure that there are vehicles on the road, and the traffic is orderly and smooth without "blocking".

In fact: if the A-A and B-B are about 20 to 40 seconds to alternately release, that is, the waiting time and the release time ratio are close to 1:1, the road surface will basically not produce the long-term state of the vehicle backlog.

Third, the main components of the intersection and the steps of use:

3-1, the main components:

As stated above, the main components in the figure are uniformly labeled, and hereby supplement:

(A): 2 in the DTK.

(B): Ground drain line, similar to the 5 in the figure.

(C): Safe Island. Figure 7.

(D): Simple intelligent groomer. Not marked in the figure, it is another invention, placed inside the signal box.

(E): The main intelligent traffic lights and secondary traffic lights are also marked as follows:

6 is a red light that is forbidden to go straight in both lanes. 8 is a two-lane traffic light that is prohibited from going straight and can be right. 9 is a green light with two lanes that can be turned straight to the right. 10 is a green light with two lanes that can go straight and right. (11) It is a green light with three lanes and two lanes running straight for 1 lane and the left is right. (12) is a green light that can go straight in both lanes. Due to the simplicity of the addition, the transformation cost is extremely low and the construction speed is also fast.

3-2. Usage steps:

(1) First collect the relevant data of the main constituent elements, and clarify the position and structure setting of each main component of the intersection of a single traffic light intersection and an adjacent traffic light:

(1) Firstly collect and determine the total distribution time and time allocation ratio of the traffic lights of two 6/12 states at a single traffic light intersection.

(2) Determine the coordination ratio of the traffic lights at the two adjacent main traffic lights intersections in four directions, that is, the short/B short traffic light time ratio of the next intersection in the direction of the single traffic light A, short A, short B and short B. As shown in Fig. 9, the traffic light of the intersection of the traffic light and the DG section of the G traffic intersection is 30s with respect to the D intersection and 36s with respect to the intersection of the G, that is, 1/2 of the sum, that is, (30+36)/2= 33s to correct the real-time traffic light release time ratio of the intersection of the DG section to ensure the smooth convergence of the coordination time of the traffic lights at the intersection of the traffic lights.

(3) Set the position of the head position of the left and right: (Fig. 12) It is necessary to collect the number of vehicles in the unit time (such as 60s) of the left-hand vehicle during the peak period of the intersection, and then calculate the arrangement length, and the right-hand vehicle unit time ( 60s) Number of vehicles, then calculate the total length of the static arrangement of the vehicle in the right driving direction, with the sum of two lengths (in 1 lane arrangement length) × (the green time in the 6/12 state) t/60 seconds = the intersection Turn left in the right direction to the right of the U-turn position, open The width of more than 3 small cars can be turned around at the same time, not only because of the slow turning speed, but also the 6/12 state change to the cache of the temporary parking island. In actual application, it is still necessary to adjust according to the actual situation. There must be a pedestrian access facility at the head opening. The turning mouth should have enough turning radius to support the passing of the bus. Otherwise, it is necessary to enlarge the width of the road cliff at the turning point. The effect is more obvious.

(4) Set the position of the head position of the straight left: (Fig. 13), by collecting the number of vehicles in the unit time (such as 30 seconds) during the peak period of the intersection of the vehicle and the “double” front left vehicle (go straight) 2 lanes or more only counts 2 lanes), and its dynamic arrangement length (in 1 lane arrangement length) Σ × t / 60 seconds = left to straight head position.

(5) The setting of the actual head position: take the position of the left-to-right head position and the left-to-right position of the head position, which is a combination of two.

(6), the setting of the secondary traffic light: Since the combination of the adjustment heads is one, the two adjustment heads are different, so one lamp must be connected together (Fig. 7) and installed according to the specifications.

(7) Synchronization and delay: Since the primary and secondary traffic lights have a distance difference, the previous 6/12 state and the next 6/12 state determine the lack of road vehicles, there must be a delay in the smooth state, and also need to be collected. The last 6/12 state is the delay time from the start of the main traffic light to the last straight train of the secondary traffic light. The last car will not be an obstacle to the turning vehicle, nor will the secondary vehicle on the other side be secondaryly blocked due to early prevention.

(8), the setting of the sensor and the simple intelligent occlusion device: the geomagnetic sensor is set at a position of 80 to 90% of the length of the short A, short B and short B to ensure that the section is always in an unsaturated block, G ^1. G ² embeds two geomagnetic sensors with a distance of 10 meters, mainly placed in a straight lane, transmitted to the main traffic light of the main traffic light block by data line or wireless, and the road is calculated by a simple intelligent obstacle blocker. The number of vehicles, the speed of the car, the condition of the car block, and the intelligent control of the time distribution of the primary and secondary traffic lights and the positive and negative delays. The simple intelligent occlusion device can be networked with the artificial remote intelligent controller, and is manually adjusted under special circumstances. Intervention and intervention of simple intelligent occlusion device can not be used.

(9) The main traffic light needs to be replaced with a new type of traffic light, and the multi-pattern intelligently guides the setting of the light indicating mode: the smart light of the intelligent grooming pattern in Fig. 7. So that the driver can see at a glance.

(2) After completing the comprehensive collection and setting of the location and structure data of the main constituent elements, the main components are deployed in the field in combination with the method of the second part of the above-mentioned implementation, and the simulation and testing are performed in the normal state and peak state, so that the relative pass rate is 70. %±10% can be put into practical use.

Beneficial effect

Fourth, special applications:

4-1. Changing the main roads as main roads: (Fig. 11) In a city with a lot of land, it is easy to open a main road in an old city. If it is based on the “double” of the intersection, it is left and right. The left is straight) comprehensive adjustment function, in the virtual out of the main road, that is: the original two-way round-trip road into two adjacent two-way one-way street, with the smooth flow, first block the rules, no need for much cost, On the basis of not affecting the passing rate of the original branch road traffic, it is possible to open up a two-way adjacent and efficient old urban main road.

4-2. Under special circumstances, such as emergency, emergency and other conditions, through the continuous exploration and application of artificial remote intelligent adjustment, explore and develop a mode equivalent to the temporary emergency channel for traffic police adjustment, which can greatly improve urban traffic. Unattended emergency application management capabilities.

V. Benefits.

5-1. Because the main intersection has only two states of A-A to B-B, the pedestrian traffic facilities are added to the secondary traffic lights intersection. Pedestrians and vehicles can pass through both efficiently.

5-2. Since the pass rate of the intersection is increased by more than 200%, the travel time-saving, energy saving and emission reduction, double saving, the floor area ratio of the road unit time is also increased by more than 2 times, and even the limit number can be omitted.

5-3. Simultaneous dual-pass, waiting time is short, and the mood and chance of violation are reduced accordingly.

5-4. Due to the three adjustment states of simple intelligence, the road can be blocked, blocked, and emergency.

5-5. Due to the connection between the simple intelligence and the manual adjustment and intervention, the intelligent transportation can be upgraded for the future.

DRAWINGS

Figure 1 is a diagram of the current 4-way 3-lane basic traffic light intersection.

Figure 2 is a diagram of a new generation of traffic lights at the intersection of dual straight.

Figure 3 is a system diagram of left rudder alignment left to right cancel left line.

Figure 4 is a partial view of the left rudder intersection left to right cancel the left line secondary traffic light intersection.

Fig. 5 is a system diagram in which the left rudder is orthogonalized to the left to cancel the left line.

Fig. 6 is a partial view of the intersection of the left rudder and the left straight line to cancel the left line of the secondary traffic light.

Fig. 7 is a diagram showing the "double" (ie, the left is right and the left is straight) of the new type of traffic light multi-pattern intelligent channeling guidance mode of the primary and secondary intersections.

Figure 8 is an analysis diagram of the traffic light time allocation standard.

Figure 9 is a sensor layout of a simple occluder.

Figure 10 is a "double" heading merge analysis diagram.

Figure 11 is a diagram showing the development of a high-speed main road at a very low cost in the old city.

Figure 12 is the left diagram of the left-hand traffic rule.

Figure 13 is a straight line under the left-hand traffic rule.

The main components in the figure are uniformly marked, that is, the broken circle represents pedestrian or non-motorized vehicle, 2, the DTK.3, the vehicle to be carried, the vehicle, the vehicle, and the ground guide. Two lanes are forbidden to go straight red light, 7 safety islands, 8 and 2 lanes are prohibited to go straight to traffic lights on the right, 9 and 2 lanes can be turned straight to turn right, green light, 10, two lanes can go straight to the right green light, (11) 3 lanes, two lanes, one lane, one lane, right lane, and left, right, green light, (12), two lanes, green light that can go straight.

BEST MODE FOR CARRYING OUT THE INVENTION

1. Replace the original traffic light with an intelligent traffic light.

2. Add a head turn and install a secondary traffic light linked to the main traffic light.

3. Add a safety island and replace the ground drain line.

4. Install intelligent control.

5. Easy to modify the traffic rules.

After commissioning and correction, it can be put into practical use.

Embodiments of the invention

It has been explained in the technical solution, this is omitted.

Industrial applicability

Does not involve industry.

Sequence table free content

Six, key features:

6-1. There are only two types of double pass-through states at the main traffic light intersection, and the “distribution” (ie, left and right) is used to optimize the state distribution release time to achieve the best pass rate of plane traffic.

6-2. Adding a secondary traffic light to amplify and dilute the vehicle and pedestrian density at the intersection of traffic lights and automatically function as an evacuation function.

6-3. Adding a U-turn port, under the left rudder regulation, make full use of the idle waiting time to prepare the left-hand state in the background, which is the same general feature under the right rudder regulation that saves time, prepares in the background, and improves the pass rate. .

6-4. The characteristics of the automatic control of the saturation block and the venting block for the early warning and guidance of the geomagnetic sensor and the simple intersection intelligent occlusion device.

6-5. The combination of simple intelligent intersection dredge blocker and manual remote intelligence combines large-area unblocking and opening emergency passages to bridge the future intelligent traffic.

6-6. It can open up the special role of the main road at low cost in the pore traffic road in the old city.

Seven, special instructions:

7-1. Other irregular intersections, such as T-shaped Y-type intersections, can only perform A-A to B-B to two state modes.

7-2. The above is based on the right traffic rule (left rudder regulation) as an example to illustrate the role of this method. If it is the left traffic rule (right rudder regulation), this method is only applicable if it is mirrored. Figure 12 and Figure 13 are omitted.

Claims (6)

A primary and secondary traffic light intersection for the opposite direction of the two-way four-way road crossing, and a secondary traffic light linked with the traffic light intersection is added on the basis of the common traffic light intersection with only the safety island, the ground guide line and the single indicator function indicator. The tuned mouth, the intelligent lamp body using the primary and secondary intersections with the new multi-pattern display indication mode, the simple intelligent occlusion device with the independent intersection, the main intersection and the main intersection, characterized in that under the left rudder regulation, By adding a safety island to ensure that the right line 4C is always open, the additional linkage head is added to cancel the left line indication of the main intersection by using the "double" method, and the AA or BB direction is realized by the automatic optimization of the time distribution of the intelligent occlusion device, the intelligent traffic light guidance and guidance, etc. At the same time, the two-way, greatly improve the passing rate of the traffic light intersection, and has the versatility of canceling the right-line indication of the main intersection under the right rudder regulation. Based on the overall characteristics of 1, there is no left-hand indicator light in the case of the left rudder, and there is no right-hand indicator light in the case of the right rudder. Based on the overall characteristics of 1, the intersection with the traffic lights of the traffic lights. Based on the overall feature of 1, the intelligent light body with the new intelligent multi-pattern sparse guidance display indication mode. Based on the overall characteristics of 1, the intelligent intelligent occlusion device with automatic adjustment of the traffic light on and off time, the simple intelligent occlusion device and the remote intelligent combination adjustment of the intersection. Based on the overall characteristics of 1, the adjacent sideways are opened according to the "double" feature.

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