Southwest Washington Regional Transportation Council

Project Showcase

Highway 99 Corridor Improvements

Agency: Clark County
Status: Completed
FHWA Aid#: 0099(129)
Project Type: Reconstruction: No Added Capacity
Description: Improve Highway 99 to a 4-lane principal arterial standard with raised medians and/or center turn lanes, bike lanes, sidewalks, and signal upgrades. Project will complete a corridor study to determine the best breaks in phasing of construction.
Termini: Highway 99/NE 99th St. Intersection
Project Length: 1.60 miles
Completed: October 22, 2021
  Federal Funds Project Cost Schedule Obligation
Preliminary Engineering $1,000,000 $1,894,000 January 1, 2014 November 20, 2013
Right of Way $2,242,000 January 1, 2015 July 20, 2016
Construction $1,000,000 $1,818,000 January 1, 2021 April 30, 2020
Total $2,000,000 $5,954,000    

Project Documents

Project Photos

  • Project Location
  • Looking Northwest
  • Northwest Corner of Intersection
  • Looking South
  • Southbound Right Turn Lane
  • Before Looking South
  • Before Looking North
  • Before Looking SE
  • Before Looking West

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