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SR 500 – St. Johns Blvd Interchange – Traffic Impacts and Alternate Routes

The new interchange will be built in several stages, and construction activities will impact traffic for up to a year and a half. The timeframes on this page may adjust slightly as the project moves through construction.

Project timeline
Timeline

Read a summary of work activities and view traffic impacts for each stage of construction:
Stage 1  |  Stage 1A  |  Stage 2  |  Stage 3  |  Stage 4 


Download and print
Maps of alternate routes (pdf, 819 kb)
Overview of traffic impacts (pdf, 1.65 mb)

Recommended alternate routes during project construction
Alternate routes 



STAGE 1
Spring - Summer 2011

Work activities

  • Contractor crews will start construction by installing safety features on the alternate routes (NE 42nd Ave., NE 44th St. and E 33rd St.).
  • Crews will complete pre-construction activities.

Traffic impacts

  • SR 500 – Minor night time delays.
  • St. Johns Blvd. – Minor night time delays.

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STAGE 1A
Fall 2011 - Winter 2012

Work activities

  • Crews will build a temporary detour, or “shoofly,” route along St. Johns Blvd.
  • A portion of the Burnt Bridge Creek/Discovery Trail System will be closed for realignment.

Traffic impacts

  • SR 500 – Speed reduced to 45 MPH, narrowed lanes, left turns prohibited at St. Johns Blvd.
  • St. Johns Blvd. – Speed reduced to 25 MPH, traffic reduced to two lanes, left turns prohibited at SR 500.

 Aerial view of intersection during Stage 1A construction
Stage 1a
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STAGE 2 
Spring 2012 – Summer 2012

Work activities

  • Traffic on St. Johns Blvd. will be shifted to the shoofly route, around the bridge construction zone.
  • Crews will build the new bridge over SR 500 and begin constructing new interchange ramps.

Traffic impacts

  • SR 500 – Speed reduced to 45 MPH, narrowed lanes, left and right turns prohibited at St. Johns Blvd.
  • St. Johns Blvd. – Speed reduced to 25 MPH, traffic reduced to two lanes, left turns prohibited at SR 500.

Aerial view of intersection during Stage 2 construction
Stage 2   
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STAGE 3 
Summer 2012 – Winter 2013

Work activities

  • Traffic on St. Johns Blvd. will be shifted to the new bridge over SR 500.
  • Crews will remove the traffic signal from the SR 500/St. Johns Blvd. intersection.
  • Through-traffic will flow freely on both SR 500 and St. Johns Blvd.
  • The interchange ramps on the east side of St. Johns Blvd. will be open to traffic.(On-ramp to eastbound SR 500, off-ramp from westbound SR 500)
  • Crews will complete construction work on the ramps on the west side of St. Johns Blvd. (On-ramp to westbound SR 500, off ramp from eastbound SR 500).

Traffic impacts

  • Eastbound SR 500 – No off-ramp to St. Johns Blvd.
  • Westbound SR 500 – No on-ramp from St. Johns Blvd.
  • St. Johns Blvd. – Speed reduced to 25 MPH, traffic reduced to two lanes, no off-ramp from SR 500 eastbound, no on-ramp to SR 500 westbound.

Aerial view of intersection during Stage 3 construction
Stage 3
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STAGE 4
Spring 2013

Work activities

  • Crews will wrap up construction by completing landscaping work and final construction activities.

Traffic impacts

  • SR 500 – Minor night time delays.
  • St. Johns Blvd. – Minor night time delays.

Aerial view of interchange during Stage 4 construction
Stage 4   
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