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Madison Street Bus Rapid Transit 

Seattle Department of Transportation

Seattle, Washington
15,480 Linear Ft.
Estimated Cost:
$122.1 million
Value Analysis
Market Sector:
Facility Specialty:
Railroad, Rapid Transit
KPFF Consulting Engineers


The Madison BRT Project’s anticipated construction start date is the first quarter of 2018, and construction is scheduled for completion by the end of 2019. The majority of construction activities will occur along Madison Street from 1st Avenue to MLK Jr. Way E., Spring Street from 1st Avenue to 9th Avenue, and the proposed bus layover area near MLK Jr. Way and East Arthur Way will also be impacted by construction. 

MENG Analysis developed $18,488,000 worth of cast saving proposals.

The most significant Madison BRT Project construction activities include: 

  • Construction of a new Trolley Overhead (TOH) system on Spring Street from 1st Ave to 9th Ave, on 9th Ave between Spring Street and Madison Street, and on Madison Street between 19th Ave and MLK Way

  • Relocations and modifications of existing TOH systems throughout the rest of the corridor

  • Construction of a new Traction Power Sub Station near Madison Street and 24th Avenue

  • Full Depth PCCP roadway restoration under proposed BRT Travel Lanes corridor wide

  • Construction of three center loading BRT station raised platforms within the corridor

  • Construction of 14 curb side loading BRT station raised platforms within the corridor

  • Traffic Signal upgrades and modifications throughout the corridor, including extensive conduit work

  • Roadway curb widening occurring on seven blocks of Madison Street

  • Sidewalk restoration and repairs impacting approximately 75 block faces. Existing ADA ramp impacts at approximately 175 ramps

  • Storm water detention system construction underneath Madison Street

  • Corridor-wide roadway restriping

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