Development Assistance | Transportation Strategy & Policy
Freight & Goods | Parking | Negotiation & Mediation
Transit Facilities | Neighborhood & Area Plans | Roadway Corridors

Heffron Transportation has specialized expertise and experience with major transit facilities throughout the Puget Sound region. The firm has assisted transit agencies with site selection, master planning, performing transportation analyses to meet SEPA and NEPA requirements, and design support.

Representative Sound Transit projects: 

  • Sounder Commuter Rail Line Extension from Tacoma to Lakewood, WA
  • Sounder Commuter Rail — "D" Street to "M" Street Reconfiguration, Tacoma, WA
  • Sounder Commuter Rail Stations at Kent, Auburn, Tukwila, Mukilteo,
       Tacoma Dome Station, South Tacoma, and Lakewood, WA
  • Sounder Commuter Rail On-call Traffic Engineer, King, Pierce, and Snohomish Counties, WA
  • Regional Express Issaquah Transit Center and Park-and-Ride Expansion, Issaquah , WA
  • Link Light Rail Maintenance Base Environmental Assessment, Seattle, WA
  • Regional Express Newcastle Transit Center, Newcastle, WA
  • East Link Freight Analysis, King County, WA

Representative King County Metro projects:

  • Eastgate Park-and-Ride Lot Expansion, Bellevue, WA 
  • Issaquah Highlands Park-and-Ride Facility Design, Issaquah, WA 
  • Central and Atlantic Base Expansion Environmental Assessment, Seattle, WA
  • Bellevue Base Expansion Environmental Assessment, Bellevue, WA
  • Redmond Park-and-Ride Structure, Redmond, WA
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Website photos provided by Christopher Gendron Photography and heffron transportation, inc