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Microsimulation Study Revealed Road Automation with Level Five Automated Vehicles Can Lead to up to 27 Percent Travel Time Savings.

METHODOLOGY This study evaluated the impacts of 100 percent CAV penetration on travel times and vehicle delays, applying the German Highway Capacity Manual's delay-flow relations and updating them…
Content type
Benefit
Date Posted
03/31/2024
Taxonomy (ARC-IT) Automated Vehicle Operations (VS16)
Geolocation links
Karlsruhe, Germany   |   Graben-Neudorf, Germany

Designing Questions about Speed in Several Different Ways May Help Improve the Usefulness of Automated Shuttle Survey Results, as Low Speeds Have a Complicated Relation to User Acceptance.

The following are several lessons learned from the projects for the development of future surveys about automated shuttles as they relate to survey population, survey approach, and questionnaire…
Content type
Lesson
Date Posted
08/25/2021
Taxonomy (ARC-IT) En-Route Guidance (TI03), Automated Vehicle Operations (VS16), Transit Fleet Management (PT06), Integrated Decision Support and Demand Management (TM09)
Geolocation links
Washington, District of Columbia, United States   |   Berlin, Germany   |   Tampa, Florida, United States   |   Tallinn, Estonia

Leverage Internet of Things (IoT) Technologies to Optimize Rural Transit Systems.

Leverage IoT technologies to expand customer base. Specifically, they may provide data regarding transit usage and usage patterns, which in turn may be used to dynamically adjust and balance…
Content type
Lesson
Date Posted
11/25/2020
Taxonomy (ARC-IT) Transit Fixed-Route Operations (PT02), Transit Fleet Management (PT06), Integrated Decision Support and Demand Management (TM09), Transit Vehicle Tracking (PT01)
Geolocation links
Nationwide, Italy   |   Nationwide, Germany

Autonomous vehicles issuing "high-content" communications to pedestrians were rated as being more trustworthy and reassuring by a focus group set of participants with visual disabilities.

FINDINGS The researchers identified several major trends in the data: The study found that persons with visual disabilities reported substantially higher feelings of control over the situation when…
Content type
Benefit
Date Posted
05/20/2020
Taxonomy (ARC-IT) Transit Pedestrian Indication (PT11), Dynamic Roadway Warning (TM12), Vulnerable Road User Safety (VS12)
Geolocation links
Ulm, Germany

Almost 90 percent of automated shuttle bus riders surveyed in a small-scale field study in Berlin indicated they were not at all worried or only slightly worried about their own sense of safety while riding in an automated shuttle.

FINDINGS Almost 90 percent of riders rated that they were "not at all worried" or only slightly worried about their own sense of safety while riding in the vehicle. However, only 54 percent gave…
Content type
Benefit
Date Posted
08/26/2019
Taxonomy (ARC-IT) Transit Vehicle at Station/Stop Warnings (PT12), Vehicle Turning Right in Front of a Transit Vehicle (PT13), En-Route Guidance (TI03), Autonomous Vehicle Safety Systems (VS01), Automated Vehicle Operations (VS16)
Geolocation links
Berlin, Germany

Survey data show that vehicle performance data displayed to passengers on board automated shuttles can ease their sense of safety.

Based on previous research, the authors noted that individuals' perceptions of the safety of AVs are increased with greater information on AV technologies and systems. Thus, they recommend measures…
Content type
Lesson
Date Posted
08/23/2019
Taxonomy (ARC-IT) En-Route Guidance (TI03), Automated Vehicle Operations (VS16), Transit Vehicle at Station/Stop Warnings (PT12), Vehicle Turning Right in Front of a Transit Vehicle (PT13), Autonomous Vehicle Safety Systems (VS01)
Geolocation links
Berlin, Germany
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