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Dynamic Speed Feedback Signs (DSFS) Can Lower Ramp Curve Entry Speeds by 4.5 mi/h Reducing Risk of Lane Departures When Installed 250 ft to 400 ft Upstream of Freeway Interchange Exit Ramps.

METHODOLOGY This study examined three commercially available DSFS signs at six different freeway interchange ramps in Michigan. The evaluation tested several aspects of the DSFS, including physical…
Content type
Benefit
Date Posted
04/24/2024
Taxonomy (ARC-IT) Speed Warning and Enforcement (TM17)
Geolocation links
Saugatuck

Field Driving Study in India Showed Statistically Significant, Up to 64.3 Percent Reduction in Lane Departure Warnings Across All Age Groups with Active Lane Departure Assistance.

METHODOLOGY The test vehicle used in this study was an instrumented passenger car equipped withADAS, a Global Positioning System, and lasers. During the FOT, the participants completed 60 trips, 30…
Content type
Benefit
Date Posted
02/29/2024
Taxonomy (ARC-IT) Autonomous Vehicle Safety Systems (VS01)
Geolocation links
India

Implementation of demand-based pricing parking management to San Francisco on-street and off-street parking resulted in a 43 percent decrease in time searching for a parking space and a 30 percent decline in greenhouse gas emissions.

METHODOLOGY This pilot involved demand-based parking pricing to on-street and off-street spaces in the pilot area. Hourly rates were adjusted based on the occupancy rate of the parking area. The…
Content type
Benefit
Date Posted
01/25/2024
Taxonomy (ARC-IT) Parking Space Management (PM01), Regional Parking Management (PM04), Loading Zone Management (PM06)
Geolocation links
San Francisco, California, United States

Survey Results from a Fully Automated Shuttle Service in Gainesville, FL with 42 Participants with Disabilities Showed an Increase in Automated Vehicle Acceptance After Riders Experienced the Technology.

METHODOLOGY In the study of the AVUPS, researchers enlisted participants with assistance from various stakeholders, including centers and facilities for PWDs, as well as community hubs like libraries…
Content type
Benefit
Date Posted
11/29/2023
Taxonomy (ARC-IT) Automated Vehicle Operations (VS16)
Geolocation links
Gainesville, Florida, United States

University of Florida Study of Leading Pedestrian Indicator (LPI) Implementation Found a Range of 25 to 100 Percent Reduction in Vehicle-Pedestrian Conflicts at Test Locations.

Methodology Preliminary LPI implementation guidelines were developed after input was collected among experienced traffic engineers and FDOT District representatives through surveys, interviews, and…
Content type
Benefit
Date Posted
11/28/2023
Taxonomy (ARC-IT) Transit Pedestrian Indication (PT11), Dynamic Roadway Warning (TM12), Vulnerable Road User Safety (VS12)
Geolocation links
Florida, United States

Implementation of Demand-Based Pricing to Washington D.C. Street Parking Resulted in an Increase of 10 Percent of Parking Usage and a Decrease in the Time To Find Parking of Seven Minutes.

METHODOLOGY This pilot involved demand-based parking pricing to on-street spaces in the pilot area. Higher hourly parking rates were applied to high-demand blocks to improve turnover and lower hourly…
Content type
Benefit
Date Posted
10/26/2023
Taxonomy (ARC-IT) Parking Space Management (PM01), Regional Parking Management (PM04), Loading Zone Management (PM06)
Geolocation links
Washington DC, District of Columbia, United States

Evaluation of San Francisco Bay Area Rapid Transit’s Carpooling App Revealed that 88 Percent of Scoop Trips Either Reduced or Caused no Change in Vehicle Miles Traveled.

METHODOLOGY This study considered 13 hypotheses (e.g., carpooling to stations increases) for the purpose of evaluating the BART Carpool to Transit Access Program pilot project facilitated through a…
Content type
Benefit
Date Posted
09/29/2023
Taxonomy (ARC-IT) Parking Space Management (PM01), Multi-modal Coordination (PT14), Shared Use Mobility and Dynamic Ridesharing (TI06)
Geolocation links
San Francisco, California, United States

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
Benefit
Date Posted
09/29/2023
Taxonomy (ARC-IT) Cooperative Adaptive Cruise Control (VS14)
Geolocation links
Washongton DC, District of Columbia, United States   |   McLean, Virginia, United States
ITS Deployment Evaluation

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