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Construction Stages


Construction Pre-Stage — January 2019 to May 2019

Initial activity on the project will prepare surface streets for the closing and the detour of the on-ramp to southbound U.S. 1 from Cayuga Street, located at the north end of the viaduct.  When this ramp is closed, traffic will be directed to use Hunting Park Avenue, Wissahickon Avenue, and the West Abbottsford Avenue collector-distributor road that crosses Fox Street before becoming the on-ramp to southbound U.S. 1 at Fox Street.

The primary focus is this initial activity will be improving the intersection of Fox Street and West Abbottsford Avenue by:  

  • Adding a turning lane on West Abbottsford Avenue;
  • Replacing the traffic signals at Fox Street and East Abbottsford Avenue, and at Fox Street and West Abbottsford Avenue;
  • Rehabilitating the Fox Street Bridge over U.S. 1;
  • Installing Digital Message Signs at locations on the periphery of the construction area to keep motorists informed of traffic conditions on U.S. 1; and
  • Adding PennDOT traffic cameras along the detour route to monitor traffic.

Photo of the westbound Abbottsford Avenue on-ramp at Wissahickon Avenue.
West Abbottsford Avenue on-ramp at Wissahickon Avenue


Construction Stage 1 — May 2019 to Fall 2020

Reconstruct the median for use as travel lanes during later stages

US 1 WAV construction stage 1 graphic

Stage 1 Traffic Pattern on U.S. 1
Maintain two lanes on the northbound side, two lanes on the southbound side during peak travel times.

Stage 1 Tasks

  • Remove median barrier
  • Repave median area
  • Install debris shield on the underside of the viaduct
  • Repair deteriorated substructure concrete
  • Replace bearings (plates where deck beams/girders rest atop support piers)

Construction Stage 2 — Fall 2020 to April 2021

Rehabilitate the inside southbound lane and part of the median

US 1 WAV construction stage 2 graphic

Stage 2 Traffic Pattern on U.S. 1
Maintain two lanes on the northbound side, one lane in the median, one lane on the southbound side during peak travel times.

Stage 2 Tasks

  • Remove southbound inner deck and adjacent median deck
  • Clean, refurbish/replace structural components
  • Apply primer coat
  • Place new concrete deck

Construction Stage 3 — Summer 2021 to Spring 2022

Rehabilitate the outer southbound lane and parapet

US 1 WAV construction stage 3 graphic

Stage 3 Traffic Pattern on U.S. 1
Maintain two lanes on the northbound side, two lanes in the median area during peak travel times.

Stage 3 Tasks

  • Remove southbound outer deck and parapets
  • Clean, refurbish/replace structural components
  • Apply primer coat
  • Place new concrete deck and parapets
  • Continue repair of deteriorated substructure concrete
  • Continue replacing bearings (plates where deck beams/girders rest atop support piers)

Construction Stage 4 — Spring 2022 to August 2022

Rehabilitate the inner northbound lane and northbound side of the median

US 1 WAV construction stage 4 graphic

 

Stage 4 Traffic Pattern on U.S. 1
Maintain two lanes on the southbound side, one lane in the median, one lane on the northbound side during peak travel times.

Stage 4 Tasks

  • Remove northbound inner deck and adjacent median deck
  • Clean, refurbish/replace structural components
  • Apply primer coat and finish coat
  • Paint substructure units
  • Place new concrete deck and parapets

Construction Stage 5 — August 2022 to April 2023

Rehabilitate the outer northbound lane and parapet

US 1 WAV construction stage 5 graphic

 

Stage 5 Traffic Pattern on U.S. 1
Maintain two lanes on the southbound side, two lanes in the median area during peak travel times.

Stage 5 Tasks

  • Remove northbound outer deck and parapets
  • Clean, refurbish/replace structural components
  • Apply primer coat
  • Place new concrete deck and parapets

Construction Stage 6 — April 2023 - July 2023

Install a new median barrier

US 1 WAV construction stage 6 graphic

Stage 6 Traffic Pattern on U.S. 1
Maintain two lanes on the southbound side, two lanes on the northbound side during peak travel times.

Stage 6 Tasks

  • Install new median barrier
  • Apply finish coat to superstructure steel
  • Paint substructure units
  • Remove debris shielding
  • Add new lighting to the underside
  • Pave areas under the bridge
  • Remove detour and reopen Cayuga Street southbound on-ramp
  • Place paving overlay and line striping on U.S. 1