Content that references this location
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
Taxonomy (ARC-IT)
Cooperative Adaptive Cruise Control (VS14)
Geolocation links
Simulator Study Found That Drivers Directed More Attention to the Road Ahead after Gaining Experience with Using Cooperative Adaptive Cruise Control.
Methodology
Over the course of two weeks, 48 licensed drivers completed four experimental driving sessions in the simulator, during which they gained experience with different driver assistance…
Content type
Date Posted
09/28/2022
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01)
Geolocation links
A Camera-Based Pedestrian Detection and Alert System Provided Emergency Alerts to Drivers Traveling at 10–20 Miles per Hour with Sufficient Time to Avoid a Crossing Pedestrian.
Methodology
Four test cases were defined to represent scenarios common in fatal pedestrian-vehicle crashes:
Test Case 1: a vehicle is traveling straight, on a straight road, and a pedestrian/cyclist…
Content type
Date Posted
12/27/2021
Taxonomy (ARC-IT)
Transit Pedestrian Indication (PT11),
Dynamic Roadway Warning (TM12),
Vulnerable Road User Safety (VS12)
Geolocation links
V2I data used to support adaptive signal control applications can reduce fuel consumption by 19 percent in scenarios with 70 percent CV market penetration.
In this research paper, a connected vehicle infrastructure framework was presented in five steps.
Upstream detectors were used to collect upstream arrival vehicle profiles for each approach and…
Content type
Date Posted
05/21/2018
Taxonomy (ARC-IT)
Emissions Monitoring (ST01),
Eco-Traffic Signal Timing (ST02),
Eco-Traffic Metering (ST03),
Eco-Approach and Departure at Signalized Intersections (ST08),
Traffic Signal Control (TM03),
Connected Vehicle Traffic Signal System (TM04),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15)
Geolocation links
V2I data used to support adaptive signal control applications can reduce rear-end conflicts by 46 to 54 percent in scenarios with 10 percent CV market penetration.
In this research paper, a connected vehicle infrastructure framework was presented in five steps.
Upstream detectors were used to collect upstream arrival vehicle profiles for each approach and…
Content type
Date Posted
05/17/2018
Geolocation links
V2I data used to support adaptive signal control networks can reduce delay up to 30 percent in scenarios with greater than 60 percent CV market penetration.
In this research paper, a connected vehicle infrastructure framework was presented in five steps.
Upstream detectors were used to collect upstream arrival vehicle profiles for each approach and…
Content type
Date Posted
05/16/2018
Geolocation links
The GlidePath Cooperative Adaptive Cruise Control (CACC) system installed on a partially automated vehicle improved its fuel economy by 22 percent at a test track in Virginia.
In August 2015, Federal Highway Administration’s (FHWA) Saxton Transportation Operations Laboratory had a single equipped vehicle demonstrate the GlidePath prototype’s automated longitudinal control…
Content type
Date Posted
08/30/2017
Taxonomy (ARC-IT)
Connected Eco-Driving (ST09),
Autonomous Vehicle Safety Systems (VS01),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16)
Geolocation links
Add Wireless Beacons at Choke Points and Select Areas within the Transit Facility to Facilitate Accessible Location, Navigation, and Routing Services.
Enable turn-by-turn wayfinding by using wireless beacons at “choke points” and selected areas. Although testing at Turner-Fairbank Highway Research Center and Union Station demonstrated that the…
Content type
Date Posted
02/01/2022
Taxonomy (ARC-IT)
Transit Traveler Information (PT08),
Transit Pedestrian Indication (PT11),
Traffic Information Dissemination (TM06)
Geolocation links
CV Pilot sites credit successful demonstration of cross-site V2V and V2I interactions to close coordination with the test site and utilization of itemized test-run schedule with clear pass/fail criteria.
The success of the Interoperability Test was due to many contributing factors. In discussions conducted with the test’ participants on the final day of testing, success of the testing was attributed…
Content type
Date Posted
05/06/2019
Geolocation links
The USDOT’s three Connected Vehicle Pilots successfully demonstrate cross-site over-the-air interoperability among six participating vendors.
To pave the way for a nationwide deployment, a major long-term goal of the Connected Vehicle (CV) Pilot Deployment Program is for the connected vehicle devices and equipment to be interoperable,…
Content type
Date Posted
09/13/2018
Geolocation links
The cost of a prototype truck rollover warning system on the Capital Beltway in Virginia and Maryland was estimated at $166,462 for a one-lane ramp and $268,507 for a two-lane ramp.
Three prototype automatic ramp rollover warning systems were deployed around the Washington, DC metropolitan area. The systems were designed and installed at three curved exit ramps on the Capital…
Content type
Made Public Date
12/12/2003
INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE
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