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Large-scale, longitudinal study shows that Transportation Network Companies increase congestion and pollution in New York City.

FINDINGS Results suggest that the increased number of TNC trips in NYC resulted in an average citywide speed reduction of 22.5 percent on weekdays. Increased congestion from TNCs likely caused…
Content type
Benefit
Date Posted
02/24/2020
Taxonomy (ARC-IT) Transit Fixed-Route Operations (PT02), Transit Passenger Counting (PT07)
Geolocation links
New York, New York, United States

Autonomous intersection management algorithms found in simulation to reduce delays at intersections by eight times compared to conventional traffic lights.

FINDINGS The paper's proposed algorithm outperformed all other examined systems over all tested traffic densities. Its average delay in seconds, across all densities, was never higher than .4…
Content type
Benefit
Date Posted
12/21/2018
Taxonomy (ARC-IT) Freight Administration (CVO02), Eco-Approach and Departure at Signalized Intersections (ST08), Autonomous Vehicle Safety Systems (VS01)
Geolocation links
New York, New York, United States

Most communities rate benefits of emergency vehicle traffic signal pre-emption from “moderate” to “very high”.

Traffic signal pre-emption systems allow a temporary interruption to normal operation of traffic signals to give emergency vehicles priority. This is done by changing traffic signals in the path of…
Content type
Benefit
Date Posted
02/09/2016
Taxonomy (ARC-IT) Emergency Vehicle Preemption (PS03)
Geolocation links
Austin, Texas, United States   |   Henderson, Nevada, United States   |   Windsor, California, United States   |   Baltimore, Maryland, United States   |   Redding, California, United States   |   New York, New York, United States   |   Salt Lake City, Utah, United States   |   Bellevue, Washington, United States

Sensors in vehicles can improve highway capacity by 43 percent while sensors equipped with vehicle-to-vehicle communication can increase capacity by 273 percent.

Methodology A formal analysis was conducted that set out to find safe following distances for vehicles utilizing sensors, vehicles utilizing sensors in conjunction with vehicle-to-vehicle (V2V)…
Content type
Benefit
Date Posted
03/31/2015
Taxonomy (ARC-IT) Cooperative Adaptive Cruise Control (VS14), Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15), Automated Vehicle Operations (VS16)
Geolocation links
Nationwide, United States   |   New York, New York, United States

Deploying advanced traffic signal controllers and an adaptive decision support system for 110 blocks of New York City led to a 10 percent decrease in travel times.

Findings Based on readings from both E-ZPass transponders in private vehicles and GPS transponders in city taxis serving as a sample for the Midtown traffic, NYC DOT saw an improvement of 10 percent…
Content type
Benefit
Date Posted
12/11/2012
Taxonomy (ARC-IT) Infrastructure-Based Traffic Surveillance (TM01), Integrated Decision Support and Demand Management (TM09), Traffic Signal Control (TM03), Regional Traffic Management (TM07)
Geolocation links
New York, New York, United States

Install detection sensors overhead on existing signal mast heads when possible, instead of using in-ground sensors to reduce both initial costs and maintenance costs.

Installing detection sensors for their 100+ block advanced signal control system overhead on existing signal mast heads saved construction and maintenance costs. Installing above ground sensors on…
Content type
Lesson
Date Posted
12/11/2012
Taxonomy (ARC-IT) Infrastructure-Based Traffic Surveillance (TM01), Integrated Decision Support and Demand Management (TM09), Traffic Signal Control (TM03)
Geolocation links
New York, New York, United States

Deploying an advanced signal control system for 110 blocks in Midtown Manhattan cost $1.6 million.

After congestion pricing in Midtown Manhattan was vetoed by the New York State Legislature, New York City's Department of Transportation NYC DOT turned to advanced traffic signal systems and adaptive…
Content type
System Cost
Made Public Date
12/11/2012
Taxonomy (ARC-IT) Infrastructure-Based Traffic Surveillance (TM01), Integrated Decision Support and Demand Management (TM09), Traffic Signal Control (TM03), Regional Traffic Management (TM07)
Geolocation links
New York, New York, United States
ITS Deployment Evaluation

INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE

1200 New Jersey Avenue, SE
Washington, DC 20590

its.dot.gov

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