57th Street & Graystone Avenue Intersection Improvements Project

  • Project value$435,317.55
  • Project scheduleAugust 15, 2024 (Concrete Paving), May 17, 2025 (Traffic Signal Installation)
  • Contractor nameBlack-Top Paving Company
Intersection Overview

Project Update 04/29/2025

  • Installation of the traffic signal mast arms and signal heads will begin in early May.
  • The signal will be operational within the next few weeks.

Commuter Route Information

  • The traffic control contractor removed traffic control on July 16, 2024.  No further lanes closures are planned for this project with the exception of short duration single lane closures (less than one day each) for the installation of pavement markings and traffic signal components. 

Project Milestones

Concrete Work on north half of the intersection

  1. Sidewalk, ADA, and Fillet removals
  2. Concrete formwork
  3. Concrete Paving
  4. Site restoration

Concrete and Asphalt Work on south half of the intersection

  1. Sidewalk, ADA, and Fillet removals
  2. Grading
  3. Concrete formwork
  4. Concrete Paving
  5. Asphalt Paving
  6. Site restoration

Traffic signal installation:

  1. 1. Install underground traffic signal cables
  2. 2. Install poles and mast arms
  3. 3. Install, wire, and aim traffic signal heads and pedestrian heads
  4. 4. Install and wire pedestrian push button poles
  5. 5. Install traffic cameras and vehicle detection
  6. 6. Install traffic cabinet and program traffic controller and detection equipment
  7. 7. Pavement markings
  8. Site restoration