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Displaying 31 - 40 of 8406

Radar-Based Animal Detection System on U.S. Highway-95 Reduced Traffic Speeds by 0.7 to 4.4 Miles per Hour.

METHODOLOGY To assess system reliability, thermal video cameras were used to monitor wildlife in the detection area, a 371 ft long, 72 to 121 ft wide road section of U.S. Highway 95. When the…

07/27/2021

Taxonomy: Animal Warning

Assess Density of Signalized and Unsignalized Intersections along Corridor before Implementing Adaptive Signal Control Technology.

ASCT yields better performance and higher return on investment when implemented on corridors with low intersection density, low volume side streets, and high demand but not oversaturated traffic…

07/25/2021

Taxonomy: Adaptive Signal Control

Overall Cost to Implement Adaptive Signal Control Technology in Florida Ranged from $30,000 to $96,400 per Intersection.

Adaptive Signal Control Technology (ASCT) systems collect data, evaluate traffic signal performance based on functional objectives, and then update signal timing in response. Florida DOT commissioned…

07/25/2021

Taxonomy: Adaptive Signal Control

Implementation of Adaptive Signal Control Technology in Florida Resulted in an Overall Travel Time Reduction of 9.36 Percent for Eight Corridors.

Methodology To evaluate the impact of ASCT on traffic operations, two critical intersections and three critical time periods (AM, PM and Off-Peak) were identified in each of the eight corridors.…

07/25/2021

Taxonomy: Adaptive Signal Control

Study Based on Industry Stakeholder Interviews Recommends Tightening Uniformity of Traffic Control Devices to Meet the Needs of Automated Vehicles.

This project identified the following research needs and suggestions from stakeholder interviews concerning uncertainties regarding AV deployment and the potential mix with…

07/27/2021

Taxonomy: Adaptive Cruise Control

Tampa Connected Vehicle Pilot Showed a Nine Percent Decrease in Rate of Forward Collision Conflicts and a Nearly 30 Percent Reduction in Travel Times.

Methodology The study was split into treatment (HMI enabled) and control (HMI disabled) groups using a randomized two-to-one matching (two treatment to one control) stratified by gender, age,…

07/27/2021

Taxonomy: Collision Avoidance, Pedestrian Safety

Avoid Using Roadway Worker Protection Warning Devices in City Centers or in Small Areas with Multiple Tracks, as Train Indications May Be More of a Nuisance than Helpful to Frontline Workers.

Technical issues with the warning device suggested a wide range of lessons learned during the project, summarized below: Understand that the use of electronic devices in active trackway could…

07/21/2021

Taxonomy: Work Zone Warning

Sacramento Regional Transit District Implements a Roadway Worker Protection System for a Total System Cost of $861,592.

Through partnership with the Federal Transit Administration (FTA), the Sacramento Regional Transit District (SacRT) conducted a demonstration test of a secondary warning device for roadway…

07/21/2021

Taxonomy: Work Zone Warning

Survey on Roadway Worker Protection Warning Device in Sacramento Shows 83 Percent of Rail Transit Agency Employees Felt Safer with the Device.

Methodology System effectiveness, including unusual occurrences or comments and system acceptance, was measured in terms of work zone intrusion rates and employee…

07/21/2021

Taxonomy: Work Zone Warning

New York City’s Speed Camera Program Costs over $164 Million Including an Operating Cost of $104 Million During Fiscal Year 2014 to 2019.

Speeding is a leading cause of fatal traffic crashes. As part of its Vision Zero initiative, the New York City Department of Transportation (NYC DOT) implemented a speed camera program, which…

07/27/2021

Taxonomy: Speed Enforcement, Pedestrian Safety

Displaying 31 - 40 of 8406

Radar-Based Animal Detection System on U.S. Highway-95 Reduced Traffic Speeds by 0.7 to 4.4 Miles per Hour.

Assess Density of Signalized and Unsignalized Intersections along Corridor before Implementing Adaptive Signal Control Technology.

Overall Cost to Implement Adaptive Signal Control Technology in Florida Ranged from $30,000 to $96,400 per Intersection.

Implementation of Adaptive Signal Control Technology in Florida Resulted in an Overall Travel Time Reduction of 9.36 Percent for Eight Corridors.

Study Based on Industry Stakeholder Interviews Recommends Tightening Uniformity of Traffic Control Devices to Meet the Needs of Automated Vehicles.

Tampa Connected Vehicle Pilot Showed a Nine Percent Decrease in Rate of Forward Collision Conflicts and a Nearly 30 Percent Reduction in Travel Times.

Avoid Using Roadway Worker Protection Warning Devices in City Centers or in Small Areas with Multiple Tracks, as Train Indications May Be More of a Nuisance than Helpful to Frontline Workers.

Sacramento Regional Transit District Implements a Roadway Worker Protection System for a Total System Cost of $861,592.

Survey on Roadway Worker Protection Warning Device in Sacramento Shows 83 Percent of Rail Transit Agency Employees Felt Safer with the Device.

New York City’s Speed Camera Program Costs over $164 Million Including an Operating Cost of $104 Million During Fiscal Year 2014 to 2019.

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INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE

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