Traffic jams dramatically worsen as the automated driving car starts running

Google is progressing the development of unmanned driving cars, and we are also testing the way to actually run the road. Although it is still far from the road to become only an automatic driving car, simulation results that "25% of the automatic driving car is introduced," the traffic congestion dramatically deteriorates "has been announced.

How Driverless Cars Could Make Traffic Dramatically Worse - CityLab
http://www.citylab.com/tech/2015/01/how-driverless-cars-could-make-traffic-dramatically-worse/384821/


The following is an internal concept of an automated driving car by Mercedes Benz. If all the vehicles running on the road switch to the automatic driving car, the computer controlled by the vehicle smoothly runs "Reducing traffic congestion" and "freedom to sit down like a train to read" Increase in time "are assumed to be two major changes.


Mr. Scott Le Vin of Imperial College London is conducting research on a simulation model that is compatible with "two profits" generated by an automatic driving car. Mr. Bin thinks that the driving method of the automatic driving car will imitate the acceleration and deceleration of the tram and the bus, but the traffic situation of the intersection greatly depends on "how fast you can accelerate". "When the traffic light turns blue, think about the fact that the train is running in front of you and you are slowly accelerating," Vin says.

Mr. Bin's research team created an assumption that 25% of the vehicles running at the intersection of the four cities introduced automatic driving cars as a standard scenario. Mr. Bin uses 100 different scenarios for each one hour using 16 different scenarios along this baseline to calculate the delay of traffic situation and the average value of traffic volume. As a result, it is said that the deterioration of the traffic situation was seen in every scenario.

First, in the standard scenario, the traffic volume per hour at the intersection was 1793 vehicles, and a delay of 20 seconds occurred for all vehicles. Continue to unmanned driving car to tramLight Rail(LRT) type acceleration and deceleration, the traffic volume decreased from 1724 units per hour to 1415 units per hour by 4% to 21% compared with the standard. The delay also deteriorated by 4% to 50%, from 21 seconds to 30 seconds.

ByTeresa Boardman

On the street busHamilton · Street · Railway(HSR) type acceleration / deceleration scenario, the traffic volume decreased from 186% to 53%, from 1469 to 850 units per hour. The delay was 27 seconds to 6 minutes 44 seconds and showed a dramatic worsening from 36% to 2000% compared to the standard.

ByRyan Flores

According to Mr. Bin, the LRT and HSR type driving program seems to be suitable for realizing the comfort of the passengers of the automatic driving car, but the simulation of this time does not include pedestrians and automatic driving The realization of the car has resulted in a very large trade-off with traffic conditions. Meanwhile, Mr. Bin admits that "If all vehicles are unified into automatic driving cars, traffic conditions can be arranged very smoothly."

Although introduction of an automatic driving car which resulted in a severe simulation result, in German highway autobahn A9,Government-led automated driving test car runIt is planned. Because there is no signal on the expressway, it is expected that results different from Vin's simulation can be obtained. The German automaker Daimler, Audi, BMW, three companiesCES 2015 announces the concept car of automatic driving carAnd it may be possible to realize automatic driving technology faster than Google.