Adaptive Signal Timing Comparison Between the InSync and QuicTrac Adaptive Signal Systems Installed in Colorado

Sprague, David; Atkins (Firm)

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Adaptive Signal Timing Comparison Between the InSync and QuicTrac Adaptive Signal Systems Installed in Colorado

2012-07-01
By Sprague, David

[PDF-474.15 KB]

English

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Details:

Creators:

Sprague, David
Corporate Creators:

Atkins (Firm)
Corporate Contributors:

Colorado. Dept. of Transportation. Research Branch ; United States. Federal Highway Administration

Colorado. Dept. of Transportation. Research Branch ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Adaptive Control Adaptive Signal Control Technology Congestion Control Systems EDC Traffic Congestion Traffic Flow Traffic Signal Timing Travel Time
Publication/ Report Number:

CDOT-2012-6
Resource Type:

Tech Report
Geographical Coverage:

Ohio
Corporate Publisher:

Colorado. DTD Applied Research and Innovation Branch
Abstract:

The FHWA’s Every Day Counts (EDC) initiative identifies adaptive signal control as a tool for local agencies to deploy

innovation. In an effort to achieve the goals of the EDC initiative, the traffic sections of the Colorado Department of

Transportation (CDOT), in Region 2 and 4 and the City of Greeley implemented adaptive traffic signal control systems on

10th Street (US 34 Business) in Greeley and US 24 in Woodland Park. This new technology uses real-time data collected

by system detectors to optimize signal timing for each intersection in the corridor. The use of real-time data means that

signal timing along the corridor changes to accommodate the traffic patterns at any given time of the day.

There are many different adaptive traffic signal control systems of which two, InSync and QuicTrac, were selected for

implementation in Colorado. The InSync adaptive signal control system, produced and supplied by Rhythm Engineering,

was installed in Greeley on 10th Street and the QuicTrac adaptive signal control system, produced and supplied by McCain,

Inc., was installed on US 24 in Woodland Park. The evaluation of the performance of these systems on their distinct

corridors was documented in separate reports and provided to the agencies and stakeholders. This report focuses on a more

direct comparison between the two systems including costs for installation, maintenance, and expected benefits on a per

intersection basis. The study is not intended to recommend a preferred system, but present the results for each system and

provide data allowing decision makers to make an informed decision when selecting an adaptive system.

Implementation

Proper application of adaptive signal control can reduce congestion, smooth flows, improve travel times, maximize the

benefits of signal timing, and potentially reduce crashes.
Format:

PDF
Funding:

92.12
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:d0c91a7aab762aee62e1e550b1c5d776990db9f12a5f2e374d50e1736ae7dec8
Download URL:

https://rosap.ntl.bts.gov/view/dot/24780/dot_24780_DS1.pdf
File Type:

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Adaptive Signal Timing Comparison Between the InSync and QuicTrac Adaptive Signal Systems Installed in Colorado

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