CMAQ Year 3 Signal Coordination

State PIN# 040723
City Project # EN90006

The City of Memphis, through a Congestion Mitigation and Air Quality (CMAQ) Grant totaling $7,213,889 proposes to interconnect and coordinate traffic signals along various corridors throughout the City of Memphis. This project is 100% federally funded. The proposed segments are:

  • Trezvant / East Pkwy / Airways Blvd: Jackson to Ketchum, Winchester to Shelby
  • Highland Ave: Walnut Grove to Park
  • Getwell Rd: Park to American Way
  • Goodlett Rd: Poplar to Central
  • White Station Rd: Walnut Grove to Poplar
  • Mendenhall Rd: Mt. Moriah to Knight Arnold
  • Ridgeway Rd: Mt. Moriah to SR-385
  • Kirby Pkwy: Mt. Moriah to Quince
  • Walnut Grove Rd: Tillman to I-240
  • Poplar Ave: E. Parkway to Perkins Extended
  • Central Ave: E. Parkway to Goodlett
  • Southern: E. Parkway to Highland
  • Park Ave: Airways to Goodlett
  • American Way: Getwell to Mt. Moriah
  • Mt. Moriah: Quince to Kirby
  • Quince: Cherry to Ridgeway


The purpose of the "CMAQ Signal Coordination - Year 3" project is to reduce delays for major street vehicular traffic, improve intersection operation efficiency, and improve air quality. The project will interconnect a total of 84 existing traffic signals on various corridors in the City of Memphis. Coordinated traffic signal timings will be implemented as part of the project to increase green band and reduce number of stops on major streets. The proposed signal system will also allow the City to monitor, diagnose, and maintain local traffic controller operations from the City Hall and the Traffic Signal Maintenance Department. Air quality improvements are expected due to reduced delays in peak hour.

Project Description

CMAQ Year 3The City of Memphis is proposing improvements to traffic control signals along various corridors funded through the Congestion Mitigation and Air Quality Improvement Program. The project consists of interconnecting a total of 84 existing traffic signals in the City of Memphis. Typical improvements include installing fiber optic communication cables, interconnecting existing signal controllers, installing non-intrusive system detectors, replacing signal control equipment and cabinets, and retiming of existing signals.

The City of Memphis is committed to making as many of the improvements as possible under State and Federal guidelines for the grant to the extent that the funding allows.

Copyright 2018 City of Memphis
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