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Advanced vehicle guidance systems use real-time traffic information to route traffic and to avoid congestion. Unfortunately, these systems can only react upon the presence of traffic jams and not to prevent the creation of unnecessary congestion. Anticipatory vehicle routing is promising in that respect, because this approach allows directing vehicle routing by accounting for traffic forecast information...
This paper proposes a strategy of urban bimodal traffic regulation based on multi-agent modelization. The objective of this strategy is to work on the duration of the traffic lights to regulate traffic for transport modes that include private and public transport vehicles, principally the bus. The model respects the method of bus regulation with a route agent, who supervises all the vehicles on the...
Taking urban traffic trunk to control for the study, it points out a number of shortcomings of the present trunk control method and puts forward the method that for the urban routes traffic characteristics, in a certain period of time, the route cycle and the phase between each two intersections remains the same, while the split is real-time adjusted by certain intersection controller, web-based environment...
Behavior of road vehicles is highly affected by the road situations. The control units of the vehicles should know as more as possible information on the road to carry out proper operations. But it is hard to get road information with traditional detection approaches. Positioning plus electronic map provides an access to get road information which is position dependent. Based on the original .shp...
Traffic light system gives sign of direction and warning to road user to avoid road collision and to optimize the flow rate of vehicle in the junction. This paper presents design of a low cost performance traffic light system. This type of traffic light is suitable for town and small city where sophisticated traffic light system is too costly. A traffic light system nearby the university was chosen...
The OD matrix at a signalised junction estimated for traffic light cycle represents a crucial information for transportation systems. A new dynamic two-steps method is proposed to estimate such an OD matrix. First, a vehicle conservation law is build in a dynamical way for each traffic light cycle using fuzzy-timed high-level Petri nets (FTHN). It is represented by an under-determinate system of equations...
The high growth rate of vehicles per capita now poses a real challenge to efficient urban traffic control (UTC). An efficient solution to UTC must be adaptive in order to deal with the highly-dynamic nature of urban traffic. In the near future, global positioning systems and vehicle-to-vehicle/infrastructure communication may provide a more detailed local view of the traffic situation that could be...
Direct left turn (DLT) movements have a lot of safety and operation problems. They increase conflicts, delay and reduce capacity of the roadway. Increasingly, many states and transportation agencies are considering using right-turns followed by u-turns or u-turns followed by right-turns (RT+UT or UT+RT) as an alternative to DLT. However, the impact of the treatment and applicability is still not very...
Many Intelligent Transportation System applications require continuous and accurate positioning information of the vehicles traveling on the road network. The common devices used for vehicle location are based on Global Position System (GPS), dead-reckoning (DR) sensors, map matching (MM). The paper develops a fuzzy logic based map matching algorithm. The algorithm is tested on different road networks...
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