Washongton DC, District of Columbia, United States

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Driving Simulator Study for Connected Emergency Vehicles in Washington, D.C. Found More Than 60 Percent Decrease in the Distance To Reduce Speed With Connected Vehicle (CV) Alerts at High Market Penetration.

METHODOLOGYThe study recruited 96 drivers from the Washington D.C. metropolitan area, who operated both manual and Level-2 automation vehicles in a driving simulator, either with or without CV alerts…
Content type
Date Posted
04/29/2025

Field Study on Adaptive Cruise Control Found That Nearly 80 Percent of Drivers Were Consistently Comfortable with the Gap It Provided Across Speeds, with a Minor Drop in Comfort Around 45 MPH.

METHODOLOGY In this study, the survey participants drove an experimental course that included nine test speeds ranging from 25 to 65 mph, once using ACC and once while driving manually. For each of…
Content type
Date Posted
09/29/2023

Study finds that bike sharing may increase rail transit usage by 15 percent, but decrease bus usage.

FINDINGS Overall, bike sharing may potentially increase transit use, but exact increases depend on the specific conditions of an area. In Minneapolis, 16 percent of respondents reported…
Content type
Date Posted
06/24/2020