Southwest Washington Regional Transportation Council

Project Showcase

78th Street Signal Optimization Project

Agency: Clark County
Status: Completed
FHWA Aid#: 4392(015)
Project Type: Transportation System Management and Operations
Description: Signal hardware and interconnection.
Termini: Hazel Dell Av. to St. Johns Rd.
Project Length: 2.20 miles
Completed: June 30, 2015
  Federal Funds Project Cost Schedule Obligation
Preliminary Engineering $50,000 $98,000 February 1, 2011 March 10, 2011
Construction $650,000 $1,127,000 January 1, 2012 May 10, 2013
Total $700,000 $1,225,000    

Project Documents

Project Photos

  • Project Location
  • NE 78th St at St. Johns Poles
  • NE 78th St at Hwy 99 Poles
  • NE 78th St at 5th Av Poles
  • Traffic Signal Cabinet Conversion - 78th St at Hazel Dell
  • New mastarm on southwest corner of Hwy 99 at 78th St

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