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Simulation Study Estimates a Fleet of Automated and Connected Automated Vehicles Would Increase Freeway Capacity by 28 to 92 Percent.

Methodology The study focused on the PM peak (4:45 PM to 5:45 PM) on three different simulation networks: a generic urban freeway segment with a merge; a 15-mile freeway section…

04/30/2021

Taxonomy: Adaptive Cruise Control

Probe Vehicle Data Can Be an Effective Data Source for Both Macro-Level and Micro-Level Work Zone Performance Measurement.

A programmatic macro and micro analysis of work zone performance is useful to provide estimates of work zone impacts at the statewide, district, corridor, and individual project…

04/30/2021

Taxonomy: Performance Management, Work Zone Management

South Carolina DOT’s Electronic Crash System Reduced Police Investigation Time by 63 Percent and Decreased Average Report Processing Time by 85 Percent.
Key benefits of SCCATTS were identified, including:

The roadside time police officers spend in filling out crash reports went from an average of 33 minutes to 12 minutes, a 63 percent…
04/30/2021
Taxonomy: Data Archive, Investigation

Gain Support from Enforcement Agencies and Ensure Effective Interagency Interfaces to Successfully Implement an Electronic Crash Data System.

Gaining support from local law enforcement agencies to use the software is key because they are responsible for a large percentage of crash reports. Their data is the primary source for…
04/30/2021
Taxonomy: Data Archive, Investigation

Minnesota DOT Uses Connected Arrow Boards to Improve Traveler Information and Lane Closure Information Accuracy at an Estimated Annual Cost of $16,560.
Starting in April 2018, Minnesota DOT (MnDOT) tested the integration of lane closure messages from 20 connected arrow boards with the agency's existing Advanced Traffic Management System (ATMS)…
04/30/2021
Taxonomy: 511, Dynamic Message Signs, Lane Control

Cooperative Eco-Driving Was Projected to Reduce Energy Consumption by Seven Percent and Pollutant Emissions by up to 59 Percent in the City of Riverside, California.
METHODOLOGY A microscopic traffic simulation evaluation was conducted using PTV VISSIM with realistic traffic flow and signal timing data collected during 7:00-8:00 AM on Thursday, June2, 2016 for…
04/30/2021
Taxonomy: Eco-Traffic Signal Timing

Developing and Maintaining Intra- and Inter-Agency Partnerships Can Help Agencies Understand Contacts, Available Resources, and Various Data and Tools Needed to Support Prediction and Response Efforts During a Flood Event.
The following recommendations were highlighted in the source document.

Data and models can be useful to predict and prepare for flood events, especially when exceptional conditions…
04/30/2021
Taxonomy: Response Management, Water Level

A SPaT Data Transmission Latency Analysis Compared DSRC Links Having Shorter Range and Low Latency (Less Than 2 Milliseconds) Against Cellular Links Having Longer Range and Higher Latency (Greater Than 40 Milliseconds).
SPaT data were collected at three separate intersections within the VCC, including a 4-way intersection in a dense area, a T-type intersection near a small shopping center, a major arterial, and a…
04/30/2021
Taxonomy: Eco-Signal Priority, Eco-Traffic Signal Timing, Traffic Control Violation Warning, Connected Eco-Driving

Continuous Outreach and Engagement Contributes to the Success of Technology Deployment.
This study led to the following lessons learned:

“Collaboration between public and private sector stakeholders resulted in an overall better understanding of the individual segments of…
04/30/2021
Taxonomy: Freight Tracking, Freight-Highway Connector System

A Case Study Estimated That With a 40 Percent CACC Market Penetration Rate Traffic Would Flow at Higher Speeds on SR 99 in California.
METHODOLOGY This case study used microscopic traffic simulation models to depict the impacts of CACC. The modeling framework was based on a state-of-the-art human-driver model and an adaptive…
04/30/2021
Taxonomy: Connected Eco-Driving, Platooning

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Displaying 1 - 10 of 8301

Simulation Study Estimates a Fleet of Automated and Connected Automated Vehicles Would Increase Freeway Capacity by 28 to 92 Percent.

Probe Vehicle Data Can Be an Effective Data Source for Both Macro-Level and Micro-Level Work Zone Performance Measurement.

South Carolina DOT’s Electronic Crash System Reduced Police Investigation Time by 63 Percent and Decreased Average Report Processing Time by 85 Percent.

Gain Support from Enforcement Agencies and Ensure Effective Interagency Interfaces to Successfully Implement an Electronic Crash Data System.

Minnesota DOT Uses Connected Arrow Boards to Improve Traveler Information and Lane Closure Information Accuracy at an Estimated Annual Cost of $16,560.

Cooperative Eco-Driving Was Projected to Reduce Energy Consumption by Seven Percent and Pollutant Emissions by up to 59 Percent in the City of Riverside, California.

Developing and Maintaining Intra- and Inter-Agency Partnerships Can Help Agencies Understand Contacts, Available Resources, and Various Data and Tools Needed to Support Prediction and Response Efforts During a Flood Event.

A SPaT Data Transmission Latency Analysis Compared DSRC Links Having Shorter Range and Low Latency (Less Than 2 Milliseconds) Against Cellular Links Having Longer Range and Higher Latency (Greater Than 40 Milliseconds).

Continuous Outreach and Engagement Contributes to the Success of Technology Deployment.

A Case Study Estimated That With a 40 Percent CACC Market Penetration Rate Traffic Would Flow at Higher Speeds on SR 99 in California.

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