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Traffic Optimization for Signalized Corridor (TOSCo) Applications Can Reduce Vehicle Stop Delays by Approximately 50 Percent in Large Metropolitan Areas Where V2I and V2V Technology Market Penetration Increases.

METHODOLOGY The study used an off-the-shelf traffic simulation software, and calibrated the model based on travel time data available through the National Performance Management Research Data Set (…
Content type
Benefit
Date Posted
04/28/2023
Taxonomy (ARC-IT) Traffic Signal Control (TM03)
Geolocation links
Houston, Texas, United States

The 10-Year Life Cycle Cost for a Pedestrian and Bicycle Detection System That Uses Passive Infrared and Inductive Loop Technologies Costs Approximately $10,000.

Texas Department of Transportation aims to develop a pedestrian and bicyclist count monitoring process to aid several transportation planning projects spanning safety, design and traffic operations.…
Content type
System Cost
Made Public Date
12/27/2021
Taxonomy (ARC-IT) Infrastructure-Based Traffic Surveillance (TM01)
Geolocation links
Austin, Texas, United States   |   Houston, Texas, United States

Cast a broad net in evaluating traveler behavior: Managed Lanes analysis finds evidence of "theory blindness" that can impact model accuracy.

The authors note that the conventional transit industry model for managed lanes assumes that the inputs to traveler decisions are technically complex, for example historic congestion levels, trip…
Content type
Lesson
Date Posted
09/30/2019
Taxonomy (ARC-IT) Road Use Charging (TM11), Integrated Decision Support and Demand Management (TM09)
Geolocation links
Houston, Texas, United States   |   Fort Worth, Texas, United States

Overheight vehicle detection systems on I-10 in Houston contributed to 20 fewer bridge hits per year, saving TxDOT more than $2 million in annual bridge repair costs.

FINDINGS TxDOT managers indicated the cost of repairing a bridge after an OHV hit ranges from $100,000 to $300,000. With an estimated 20 fewer bridge hits per year, TxDOT and taxpayers will realize…
Content type
Benefit
Date Posted
05/08/2019
Taxonomy (ARC-IT) In-Vehicle Signage (TI07), Oversize Vehicle Warning (VS11)
Geolocation links
Houston, Texas, United States

Smart parking systems can reduce congestion and save the City of Houston $4.4 million per year.

Findings Though implementation and maintenance costs were not estimated, study results estimated about $4.4 million per year in congestion savings for the City of Houston if a smart parking…
Content type
Benefit
Date Posted
04/16/2019
Taxonomy (ARC-IT) Parking Space Management (PM01), Smart Park and Ride System (PM02), Parking Reservations (PM05), Loading Zone Management (PM06), Broadcast Traveler Information (TI01)
Geolocation links
Houston, Texas, United States

Compared to the performance of a well-tuned fully actuated signal control system, proactive signal control supported by connected vehicle data can reduce fuel consumption by 18 percent.

FINDINGS Compared to well-tuned fully actuated control, proactive signal control systems supported by connected vehicle data can reduce fuel consumption by 18 percent.
Content type
Benefit
Date Posted
12/24/2018
Taxonomy (ARC-IT) Emissions Monitoring (ST01), Eco-Traffic Signal Timing (ST02), Eco-Traffic Metering (ST03), Eco-Approach and Departure at Signalized Intersections (ST08), Connected Vehicle Traffic Signal System (TM04), Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15)
Geolocation links
Houston, Texas, United States

Applying a proactive signal control system to a connected vehicle network can reduce total vehicle delay up to 89 percent.

FINDINGS Results indicated the proactive control always resulted in the best performance, and the pre-timed plan exhibited the worst performance. Compared to the pre-timed plan, the proactive…
Content type
Benefit
Date Posted
12/24/2018
Taxonomy (ARC-IT) Emissions Monitoring (ST01), Eco-Traffic Signal Timing (ST02), Eco-Traffic Metering (ST03), Eco-Approach and Departure at Signalized Intersections (ST08), Connected Vehicle Traffic Signal System (TM04), Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15)
Geolocation links
Houston, Texas, United States

Applying a proactive signal control system to a connected vehicle network can reduce fuel consumption by 24 percent.

FINDINGS Results indicated the proactive control always resulted in the best performance, and the pre-timed plan exhibited the worst performance. Compared to the fully actuated control design, the…
Content type
Benefit
Date Posted
12/24/2018
Taxonomy (ARC-IT) Emissions Monitoring (ST01), Eco-Traffic Signal Timing (ST02), Eco-Traffic Metering (ST03), Eco-Approach and Departure at Signalized Intersections (ST08), Connected Vehicle Traffic Signal System (TM04), Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15)
Geolocation links
Houston, Texas, United States
ITS Deployment Evaluation

INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE

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Washington, DC 20590

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U.S. Department of Transportation Office of the Assistant Secretary for Research and Technology (OST-R)
 
 
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