CN110322070A - Roading method and system - Google Patents
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/002—Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
- G06Q10/047—Optimisation of routes or paths, e.g. travelling salesman problem
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
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Abstract
The embodiment of the invention discloses a kind of roading method and system, which includes: that road bifurcation is determined in the default road for leading to target congestion regions, and target congestion regions are border circular areas；It generates by starting point of road bifurcation towards target congestion regions and not by two current branch roads inside target congestion regions；Wherein, default road includes at least one of highway and city expressway, and the road bifurcation distance objective congestion regions minimum range is greater than 3 kilometers, and the angle between two current branch roads is less than 90 degree.The present invention can form angle planetary road network, and the vehicle flowrate at target congestion regions center is led to by shunting, can reduce the traffic pressure of target congestion regions and the road towards target congestion regions.Two branch roads separated are compared with the highway of through target congestion regions, city expressway, in the case of equal lane, can carry more vehicle flowrates at double, be buffered into out the traffic pressure in city.
Description
Technical field
The present embodiments relate to technical field of traffic control, and in particular to a kind of roading method and system.
Background technique
With Development of Urbanization, traffic congestion and vehicle pollution problem are increasingly severe.Traffic congestion refers at a certain section
In time, due to the increase of transport need, road is greater than by total vehicle flowrate in certain section or intersection in road
When traffic capacity, cause the traffic flow on road that can not pass unimpeded, overage traffic flow is trapped in the traffic behavior on road, and
Traffic congestion causes vehicle exhaust emission serious.
For urban traffic blocking, relevant department achieves certain effect by construction city expressway and highway
Fruit, but effect is unobvious.How traffic congestion is further alleviated, reduction vehicle exhaust emission becomes urgently to be resolved and asks
Topic.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of roading method and system, to solve traffic congestion in the prior art
The problem of being aggravated with vehicle exhaust emission.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
The embodiment of first aspect present invention discloses a kind of roading method, comprising: is leading to target congestion regions
Default road in determine road bifurcation, the target congestion regions be included in border circular areas in, the default road includes
At least one of highway and city expressway；It generates by starting point of the road bifurcation towards target congestion area
And do not pass through two current branch roads inside the target congestion regions；Wherein, road bifurcation distance objective congestion area
Domain minimum range is greater than 3 kilometers, and the angle between described two current branch roads is less than 90 degree.
Further, the quantity of the default road is at least one, and every default road is generated towards the target
Congestion regions and do not pass through two current branch roads inside the target congestion regions, the road bifurcation of every default road
Minimum range apart from the target congestion regions is greater than 3 kilometers, and the angle between described two current branch roads is less than 90 degree.
Further, the quantity of the default road is at least three, and every default road is generated towards the target
Congestion regions and do not pass through two current branch roads inside the target congestion regions, the road bifurcation of every default road
Minimum range apart from the target congestion regions is greater than 3 kilometers, and the angle between described two current branch roads is less than 90 degree,
The passage branch road that at least three default roads are formed forms the angle N planetary road network, and the N is just whole more than or equal to 3
Number.
The embodiment of second aspect of the present invention discloses a kind of road layout system, comprising: road bifurcation setting module,
For determining road bifurcation in the default road for leading to target congestion regions, the default road includes highway and city
At least one of city through street, the target congestion regions are border circular areas；Diverge road generation module, for the road
Bifurcation is that starting point is generated towards the target congestion regions and not by two current troubles inside the target congestion regions
Road；Wherein, the road bifurcation distance objective congestion regions minimum range is greater than 3 kilometers, between described two current branch roads
Angle less than 90 degree.
Further, the quantity of the default road is at least one, and the fork road generation module is specifically used for every
Item is preset road and is generated towards the target congestion regions and not by two current troubles inside the target congestion regions
Road, minimum range of the road bifurcation of every default road apart from the target congestion regions is greater than 3 kilometers, and every default
The angle between two current branch roads that road generates is respectively less than 90 degree.
Further, the quantity of the default road is at least three, and the fork road generation module is specifically used for every
Item is preset road and is generated towards the target congestion regions and not by two current troubles inside the target congestion regions
Road, minimum range of the road bifurcation of every default road apart from the target congestion regions are greater than 3 kilometers, and described two
For angle between current branch road less than 90 degree, the passage branch road that at least three default roads are formed forms the angle N planetary road
Road network, the N are the positive integer more than or equal to 3.
The present invention has the advantage that
By planning that branch road can form angle planetary road network, the wagon flow at target congestion regions center is led to by shunting
Amount, can reduce target congestion regions, and the traffic pressure of the road towards target congestion regions.Two branch roads separating with
The highway of through target congestion regions, city expressway are compared, and in the case of equal lane, can carry more vehicles at double
Flow is buffered into out the traffic pressure in city.
There are following four structure types for roadnet at present, as follows with the difference of angle planetary road network:
1. annular radial formula road network: by being radiated around around intown several annular arterial highways and towards intown
The road network structure that collectively forms of each arterial highway.In angle planetary road network of the invention, the roads such as expressway or through street outside city,
It does not enter urban district and has just separated branch road to urban district two sides, constitute angle planetary road network.
2. grid formula road network: block being divided into rectangular road network structure by main line and branch in city.This
Invention, which is formed, administers area's composition angle planetary road network around urban district congestion.
3. free style road network: the route bending of Combining with terrain, the road network structure without certain geometric figure.Of the invention
Angle planetary road network has angle star feature.
4. hybrid road network: comprehensive using annular radial formula road network, grid formula road network, free style road network etc.
The hybrid road network structure of form.Angle planetary road network of the invention can become the composition road network structure of hybrid road network again
A kind of type selecting.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents can cover.
Fig. 1 is the flow chart of the roading method of the embodiment of the present invention；
Fig. 2 is in one embodiment of the invention according to the schematic diagram for presetting road generation branch road；
Fig. 3 is in another embodiment of the present invention according to the schematic diagram for presetting road generation branch road
Fig. 4 is in another embodiment of the invention according to the schematic diagram for presetting road generation branch road；
Fig. 5 is the structural block diagram of the road layout system of the embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " uniform ", " uneven ", " just ",
The orientation of the instructions such as " inclined ", " length ", " short ", " width ", " narrow ", " connection ", " being not connected to ", " bending ", " not being bent " or position are closed
System is merely for convenience of description of the present invention and simplification of the description to be based on the orientation or positional relationship shown in the drawings, rather than indicates
Or imply that signified structure must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relatively heavy
The property wanted.
Fig. 1 is the flow chart of the roading method of the embodiment of the present invention.As shown in Figure 1, the road of the embodiment of the present invention
Planing method, comprising:
S1: road bifurcation is determined in the default road for leading to target congestion regions.Wherein, target congestion regions are circle
Shape region.Default road includes at least one of highway and city expressway.
Specifically, target congestion regions can be the congestion regions or other congestion regions of down town.With target congestion
For the congestion regions of down town is in region, in default roads such as highway and the city expressway for leading to target congestion regions
Road determines a point as road bifurcation.Wherein it is possible to according to the road conditions of city current construction and wagon flow statistics letter
Breath setting road bifurcation.Such as a highway for leading to down town, it is public by the high speed by obtaining traveling
The direction of road rear vehicle traveling and the road conditions determination currently built according to city are suitable for the road bifurcated for drawing fork road
Point.
In one embodiment of the invention, before step S1 further include: according to target area to the vehicle of all directions
Road history information of vehicle flowrate determines target congestion regions.In an example of the invention, target area is city, is obtained each
The history information of vehicle flowrate of city road, and then target traffic congestion region is determined according to history information of vehicle flowrate.
S2: it generates by starting point of road bifurcation towards target congestion regions and not by two inside target congestion regions
Item passage branch road.Wherein, road bifurcation distance objective congestion regions minimum range is greater than 3 kilometers, and described two current troubles
Angle between road is less than 90 degree.
Fig. 2 is in one embodiment of the invention according to the schematic diagram for presetting road generation branch road.As shown in Fig. 2, in this hair
In bright one embodiment, road bifurcation A is determined in the road A towards target congestion regions X0, with road bifurcation A0For
Starting point generates current branch road A1With current branch road A2.Wherein, current branch road A1With current branch road A2Towards target congestion regions X
And without the inside of target congestion regions X.In some instances, current branch road A1By the tangent line side of target congestion regions X
To current branch road A2By the tangential direction of close-target congestion regions X.Bifurcation A0It is greater than with the minimum range of target congestion regions X
3 kilometers, and current branch road A1With current branch road A2Between angle less than 90 degree.Therefore, if angle is more than or equal to 90 degree, meeting
Close to loop wire structure, can be substantially reduced to far from the effect of urban congestion regional diffluence at this time.
In one embodiment of the invention, the quantity for presetting road is at least one, and every default road generates court
To target congestion regions and by two current branch roads inside target congestion regions, two of every default road generation
Current branch road bifurcation A0Distance objective congestion area circumscribed circle minimum range is greater than 3 kilometers, and between described two current branch roads
Angle less than 90 degree.
The quantity of default road is at least three.Every default road generates towards target congestion regions and does not pass through
Two current branch roads inside the target congestion regions.The road bifurcation of every default road is apart from target congestion area
The minimum range in domain is greater than 3 kilometers, and the angle between described two current branch roads is less than 90 degree.At least three default roads
The passage branch road of formation forms the angle N planetary road network, and N is the positive integer more than or equal to 3.
Fig. 3 is in another embodiment of the present invention according to the schematic diagram for presetting road generation branch road.As shown in figure 3, at this
It invents in an example, is road A, road B and road C respectively towards totally three, default road of target congestion regions X.
Bifurcation A is determined in road A0, then generate current branch road A1With current branch road A2, bifurcation A0Distance objective
Congestion area circumscribed circle minimum range is greater than 3 kilometers, and current branch road A1With current branch road A2Between angle less than 90 degree.
Bifurcation B is determined in road B0, then generate current branch road B1With current branch road B2, bifurcation B0Distance objective
Congestion area circumscribed circle minimum range is greater than 3 kilometers, and branch road B1With branch road B2Between angle less than 90 degree.
Bifurcation C is determined in road C0, then generate current branch road C1With current branch road C2, bifurcation C0Distance objective
Congestion area circumscribed circle minimum range is greater than 3 kilometers, and current branch road C1With current branch road C2Between angle less than 90 degree.
In Fig. 3, current branch road A1With current branch road B1With current branch road B2There are intersections.Current branch road A2With it is logical
Row branch road B2There are intersections.Current branch road B1Also with current branch road C1There are intersections.Current branch road C2With current branch road
B2There are intersections.
Fig. 4 is in another embodiment of the invention according to the schematic diagram for presetting road generation branch road.As shown in figure 4, at this
It invents in an example, is road A, road B and road C respectively towards totally three, default road of target congestion regions X.
Bifurcation A is determined in road A0, then generate current branch road A1With current branch road A2, bifurcation A0Distance objective
Congestion area circumscribed circle minimum range is greater than 3 kilometers, and current branch road A1With current branch road A2Between angle less than 90 degree.
Bifurcation B is determined in road B0, then generate current branch road B1With current branch road B2, bifurcation B0Distance objective
Congestion area circumscribed circle minimum range is greater than 3 kilometers, and branch road B1With branch road B2Between angle less than 90 degree.
Bifurcation C is determined in road C0, then generate current branch road C1With current branch road C2, bifurcation C0Distance objective
Congestion area circumscribed circle minimum range is greater than 3 kilometers, and current branch road C1With current branch road C2Between angle less than 90 degree.
In Fig. 4, with the branch road A that passes through1, current branch road A2, current branch road B1, current branch road B2, current branch road C1And passage
Branch road C2Form triangle planetary road network.
Roading method of the invention leads to mesh by shunting by planning that branch road can form angle planetary road network
The vehicle flowrate for marking congestion regions center, can reduce target congestion regions, and the traffic of the road towards target congestion regions
Pressure.Two branch roads separated are compared with the highway of through target congestion regions, city expressway, equal lane situation
Under, more vehicle flowrates can be carried at double, be buffered into out the traffic pressure in city.
There are following four structure types for roadnet at present, as follows with the difference of star radial road net:
1. annular radial formula road network: by being radiated around around intown several annular arterial highways and towards intown
The road network structure that collectively forms of each arterial highway.In angle planetary road network of the invention, the roads such as expressway or through street outside city,
It does not enter urban district and has just separated branch road to urban district two sides, constitute angle planetary road network.
2. grid formula road network: block being divided into rectangular road network structure by main line and branch in city.This
Invention, which is formed, administers area's composition angle planetary road network around urban district congestion.
3. free style road network: the route bending of Combining with terrain, the road network structure without certain geometric figure.Of the invention
Angle planetary road network has angle star feature.
4. hybrid road network: comprehensive using annular radial formula road network, grid formula road network, free style road network etc.
The hybrid road network structure of form.Angle planetary road network of the invention can become the composition road network structure of hybrid road network again
A kind of type selecting.
Fig. 5 is the structural block diagram of the road layout system of the embodiment of the present invention.As shown in figure 5, the road of the embodiment of the present invention
Circuit planning system includes: road bifurcation setting module 100 and fork road generation module 200.
Wherein, road bifurcation setting module 100 is used to determine road in the default road for leading to target congestion regions
Bifurcation, default road include at least one of highway and city expressway, and target congestion regions are border circular areas.Point
Branch road generation module 200 is used to be generated as starting point towards target congestion regions using road bifurcation and is not passed through target congestion regions
Two internal current branch roads.Wherein, road bifurcation distance objective congestion regions minimum range is greater than 3 kilometers, two passages
Angle between branch road is less than 90 degree.
In one embodiment of the invention, the quantity for presetting road is at least one.The road generation module 200 that diverges is specific
For generating every default road towards target congestion regions and not by two current troubles inside target congestion regions
Road, minimum range of the road bifurcation of every default road apart from the target congestion regions is greater than 3 kilometers, and every default
The angle between two current branch roads that road generates is respectively less than 90 degree.
In one embodiment of the invention, the quantity for presetting road is at least three.The road generation module 200 that diverges is specific
For generating every default road towards target congestion regions and not by two current troubles inside target congestion regions
Road, minimum range of the road bifurcation of every default road apart from the target congestion regions are greater than 3 kilometers, and two passages
Angle between branch road is less than 90 degree.The passage branch road that at least three default roads are formed forms the angle N planetary road network, and N is
Positive integer more than or equal to 3.
In one embodiment of the invention, alleviate region congestion and reduce the road layout system of vehicle exhaust emission also
It include: data acquisition module and target congestion regions determining module.Wherein, data acquisition module is for obtaining target area to each
The history information of vehicle flowrate of a direction lane.Target congestion regions determining module is used to determine target according to history information of vehicle flowrate
Congestion regions.
It should be noted that the specific embodiment and the embodiment of the present invention of the road layout system of the embodiment of the present invention
It is similar with the specific embodiment of roading method of vehicle exhaust emission is reduced to alleviate region congestion, referring specifically to alleviation area
The description of the roading method part of domain congestion and reduction vehicle exhaust emission does not repeat them here to reduce redundancy.
In addition, the road layout system of the embodiment of the present invention alleviated region congestion and reduce vehicle exhaust emission is other
Constituting and acting on all is known for a person skilled in the art, in order to reduce redundancy, is not repeated them here.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (6)
1. a kind of roading method characterized by comprising
Road bifurcation is determined in the default road for leading to target congestion regions, the target congestion regions are included in circle
In domain, the default road includes at least one of highway and city expressway；
Using the road bifurcation as starting point, generate towards target congestion area, and not by the target congestion regions
The current branch road of two of portion；
Wherein, the road bifurcation distance objective congestion regions minimum range is greater than 3 kilometers, and described two current branch roads it
Between angle less than 90 degree.
2. roading method according to claim 1, which is characterized in that the quantity of the default road is at least one
Item, every default road are generated towards the target congestion regions and not by two inside the target congestion regions
Current branch road, minimum range of the road bifurcation of every default road apart from the target congestion regions are greater than 3 kilometers, and institute
The angle between two current branch roads is stated less than 90 degree.
3. roading method according to claim 1, which is characterized in that the quantity of the default road is at least three
Item, every default road are generated towards the target congestion regions and not by two inside the target congestion regions
Current branch road, minimum range of the road bifurcation of every default road apart from the target congestion regions are greater than 3 kilometers, and institute
The angle between two current branch roads is stated less than 90 degree, the passage branch road that at least three default roads are formed forms the angle N
Planetary road network, the N are the positive integer more than or equal to 3.
4. a kind of road layout system characterized by comprising
Road bifurcation setting module, it is described for determining road bifurcation in the default road for leading to target congestion regions
Default road includes at least one of highway and city expressway, and the target congestion regions are border circular areas；
Diverge road generation module, for being generated as starting point towards the target congestion regions and not passed through using the road bifurcation
Two current branch roads inside the target congestion regions；
Wherein, the road bifurcation distance objective congestion regions minimum range is greater than 3 kilometers, between described two current branch roads
Angle less than 90 degree.
5. road layout system according to claim 4, which is characterized in that the quantity of the default road is at least one
Item, the fork road generation module are specifically used for generating towards target congestion regions and obstructed every default road
Two current branch roads inside the target congestion regions are crossed, the road bifurcation of every default road is apart from the target congestion
The minimum range in region is greater than 3 kilometers, and the angle between two current branch roads of every default road generation is respectively less than 90 degree.
6. road layout system according to claim 4, which is characterized in that the quantity of the default road is at least three
Item, the fork road generation module are specifically used for generating towards target congestion regions and obstructed every default road
Two current branch roads inside the target congestion regions are crossed, the road bifurcation of every default road is apart from the target congestion
The minimum range in region is greater than 3 kilometers, and the angle between described two current branch roads is less than 90 degree, at least three pre-
If the passage branch road that road is formed forms the angle N planetary road network, the N is the positive integer more than or equal to 3.
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| CN110782178A (en) * | 2019-11-01 | 2020-02-11 | 北京航空航天大学 | Traffic network planning aid decision-making method and device |
| WO2021129269A1 (en) * | 2019-12-24 | 2021-07-01 | 王伟兵 | Method for guaranteeing on-demand passage |
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