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Wisconsin Study Predicts Impacts of Potential Shift to Automated Vehicles as 5.6 Percent Increase in Energy Consumption.

METHODOLOGY The demand shifts due to AV adoption was estimated from a stated-preference survey that presented the respondents with varying attributes (such as travel time, wait time, walk time, cost…
Content type
Benefit
Date Posted
03/22/2022
Taxonomy (ARC-IT) Dynamic Transit Operations (PT03), Connected Vehicle System Monitoring and Management (SU01), Emissions Monitoring (ST01), Connected Eco-Driving (ST09), Shared Use Mobility and Dynamic Ridesharing (TI06), Automated Vehicle Operations (VS16)
Geolocation links
Madison, Wisconsin, United States

Field-Tests of Connected Vehicle Implementation in California Reveals 6.63 Percent and 6.6 Percent Reduction in Fuel Consumption and CO2 Emissions, Respectively.

METHODOLOGY The “Innovation Corridor” was set up as a testbed that can be used for CV testing. All of the traffic signal controllers along this corridor were upgraded to be compatible with Society of…
Content type
Benefit
Date Posted
03/24/2022
Taxonomy (ARC-IT) Connected Vehicle System Monitoring and Management (SU01), Emissions Monitoring (ST01), Connected Eco-Driving (ST09)
Geolocation links
California, United States

Coordination of Freeway Ramp Metering with Arterial Traffic Signal Control Reduced Total Travel Time and Delay by 5.8 and 11.5 Percent, Respectively, in a California Study.

METHODOLOGY The coordinated ramp metering algorithm takes available on-ramp storage into account and dynamically reduces the cycle length of the feeding intersection signal control in order to avoid…
Content type
Benefit
Date Posted
02/24/2022
Taxonomy (ARC-IT) Traffic Signal Control (TM03), Integrated Decision Support and Demand Management (TM09), Emissions Monitoring (ST01), Eco-Traffic Metering (ST03), Traffic Metering (TM05)
Geolocation links
San Jose, California, United States

Assess and Quantify Performance of Ramp Metering Systems by Periodically Checking for Data Consistency in Reported Traffic Speeds, Flows, and Occupancies.

Periodically check the traffic data obtained by ramp metering systems (e.g., traffic speeds, flows, and occupancies) to assess and quantify system performance. The system cannot respond to…
Content type
Lesson
Date Posted
02/24/2022
Taxonomy (ARC-IT) Emissions Monitoring (ST01), Eco-Traffic Metering (ST03), Traffic Metering (TM05)
Geolocation links
Ohio, United States

For Arterial Signals Surrounding Newly Installed Ramp Meters, Use Time-of-Day Plans That Are Checked As Needed Every Three to Six Months over the First 1.5 Years.

Arterial signal timing should be considered for optimal results. Signals surrounding the on‐ramp signals should use time of day plans that are re‐evaluated and re‐timed as needed every three to six…
Content type
Lesson
Date Posted
10/29/2021
Taxonomy (ARC-IT) Emissions Monitoring (ST01), Eco-Traffic Metering (ST03), Traffic Metering (TM05)
Geolocation links
Wake County, North Carolina, United States

Evaluation of Four Ramp Metering Signals in North Carolina Revealed Reductions in Delay, Travel Time, and Congestion, with an Estimated Monetized Net Benefit of $8 Million over Ten Years.

Methodology The planning‐level evaluation focused on four major steps: planning‐level data collection planning level analysis life cycle cost analysis before‐and after installation evaluation Key…
Content type
Benefit
Date Posted
10/29/2021
Taxonomy (ARC-IT) Emissions Monitoring (ST01), Eco-Traffic Metering (ST03), Traffic Metering (TM05)
Geolocation links
Wake County, North Carolina, United States

Field Testing of Coordinated Ramp Metering on a California Highway Resulted in an Average of 7.25 Percent Increase in Ratio of Vehicle Miles Travelled to Vehicle Hours Travelled During the AM Peak Hours, Indicating Traffic Improvement.

METHODOLOGY After fine-tuning the CRM algorithm using a microscopic simulation of the test site, the research team worked closely with California DOT (Caltrans) for (a) refining the Concept of…
Content type
Benefit
Date Posted
10/29/2021
Taxonomy (ARC-IT) Emissions Monitoring (ST01), Eco-Traffic Metering (ST03), Traffic Metering (TM05)
Geolocation links
Sacramento, California, United States

Estimated Costs for a Ramp Signal Video Detection System Include Initial Equipment and Software Costs of $10,500 and Maintenance Costs of $7,000 per Year.

Florida DOT has been using inductive loops and sensors at I-95 ramp signals in Miami-Dade County, but existing detectors only report volume and occupancy data. In order to support performance…
Content type
System Cost
Made Public Date
07/28/2021
Taxonomy (ARC-IT) Emissions Monitoring (ST01), Eco-Traffic Metering (ST03), Traffic Metering (TM05)
Geolocation links
Florida, United States
ITS Deployment Evaluation

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1200 New Jersey Avenue, SE
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its.dot.gov

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