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Public perceptions of self-driving delivery vehicles have improved substantially in China as these systems deliver medical supplies, food, and disinfect streets during the COVID-19 virus outbreak.

Since the COVID-19 virus outbreak: Local Chinese authorities continue to incentivize the purchase and operation of self-driving delivery vehicles. One manufacturer (Neolix) indicated that public…
Content type
Lesson
Date Posted
04/17/2020
Taxonomy (ARC-IT) Carrier Operations and Fleet Management (CVO01), Vehicle Emergency Response (PS05), Incident Scene Pre-Arrival Staging Guidance for Emergency Responders (PS06), Disaster Response and Recovery (PS12)
Geolocation links
Wuhan, China   |   Beijing, China

Drivers are more accepting of on-road dynamic messages/warnings than in-vehicle message/warnings.

Findings Average acceptance of on-road warning systems (73 percent) is higher than average acceptance of in-vehicle warning system (64 percent) Drivers likely prefer on-road warning because they…
Content type
Benefit
Date Posted
10/09/2019
Taxonomy (ARC-IT) Roadway Automated Treatment (MC03), Traffic Information Dissemination (TM06), Weather Information Processing and Distribution (WX02), Spot Weather Impact Warning (WX03), Broadcast Traveler Information (TI01)
Geolocation links
Beijing, China

Implementing a collision-avoidance algorithm based on safe distance significantly reduces rear-end collisions in heterogenous fleets compared to other methods.

The study found two algorithms to be significantly more effective than others at reducing collisions towards the rear of the fleet. One of them minimized deceleration until hitting a "safe distance"…
Content type
Benefit
Date Posted
10/30/2018
Taxonomy (ARC-IT) Autonomous Vehicle Safety Systems (VS01), V2V Basic Safety (VS02)
Geolocation links
Beijing, China

Simulated use of dynamic eco-driving speed guidance strategy in vehicles shows an emissions reduction of 25 percent.

RESULTS Drivers who were given eco-driving guidance were found to reduce the number of stops they made, and their vehicles had both total fuel consumption and total carbon dioxide emissions…
Content type
Benefit
Date Posted
08/30/2018
Taxonomy (ARC-IT) Connected Eco-Driving (ST09), Traffic Information Dissemination (TM06), Integrated Decision Support and Demand Management (TM09), Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15), Automated Vehicle Operations (VS16)
Geolocation links
Beijing, China

Drivers using in-vehicle navigation systems change to the target exit/off-ramp lane 400 m sooner than those drivers solely relying on road signage.

Content references source material no longer available at its original location.
Findings   Impacts of in-vehicle navigation information on drivers are closely related with traffic density status. Drivers are more likely to comply with in-vehicle navigation information…
Content type
Benefit
Date Posted
11/20/2017
Taxonomy (ARC-IT) En-Route Guidance (TI03), Automated Vehicle Operations (VS16)
Geolocation links
Beijing, China

Evaluation of several transit signal priority systems found decreased bus travel time variability by 35 percent, lowered bus travel times by 6 to 27 percent, reduced AM peak intersection delay by 13 percent, and decreased signal-related bus stops by

ANN ARBOR, MICHIGANIn 1996, a test was conducted in Ann Arbor, Michigan that investigated bus priority using green extensions, red truncation (with and without compensation), and skip phasing (…
Content type
Benefit
Date Posted
04/10/2002
Taxonomy (ARC-IT) Transit Signal Priority (PT09)
Geolocation links
Los Angeles, California, United States   |   Beijing, China   |   Ann Arbor, Michigan, United States   |   Portland, Oregon, United States   |   Seattle, Washington, United States
ITS Deployment Evaluation

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