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Casey Overpass Map NewAs part of the ongoing Casey Arborway Project, night work will resume beginning Sunday, July 26th through Thursday, July 30 and continue for approximately 5 weeks. Night work hours are 8PM to 6AM. Night work is necessary for public safety and will take place with sound mitigation measures in place to reduce noise to the extent possible.

Operations for the week of July 26 will focus on:

  • Nighttime demolition of the Overpass between Washington Street and the western (Arboretum side) abutment
  • Installation of interconnection cable, detector loops, and pavement markings for the temporary northbound lanes of Washington Street south of New Washington Street
  • Installation of drilled shafts in the MBTA parking lot off Hyde Park Avenue
  • Installation of temporary demolition period shielding for MBTA ventilation structures
  • Installation of signal interconnection conduit and cables on Washington Street south of New Washington Street.

Due to the required overnight demolition near a residential area, sound mitigation steps will be taken, including:

  • Using a sound curtain over the hoe ram after 11PM
  • Limiting the use of the hoe ram to the first part of the shift when possible, with quieter activities during the later hours
  • Monitoring at numerous locations to ensure that the noise levels are in compliance with contract specifications and the City of Boston’s noise ordinance
  • Removing large sections, organizing them in piles, and allowing day shift crews to reduce the piles and take the material off site, reducing loud noises at night
  • Removing the piers during the work to eliminate the need to return at a later date.

The project consists of removing the existing structurally deficient Casey Overpass and replacing it with a simplified at-grade reconstructed roadway network. A new fully accessible Orange Line access/egress headhouse will replace the existing substandard exit only headhouse. Bicycle and pedestrian accommodations will be enhanced throughout the project limits. The Route 39 bus will be relocated to the reconstructed upper busway at Forest Hills Station. The project will result in the reconnection of the Arborway and Emerald Necklace Park from the Arnold Arboretum to Franklin Park.

Please visit the Casey Arborway website for the latest information.

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