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I-90 Express Lanes Map


The I-90 express lanes extend from 5th Avenue in downtown Seattle to I-405 in Bellevue.

  • Single-occupant-vehicles (SOV) may use the express lanes between Island Crest Way on Mercer Island and Rainier Avenue in Seattle.
  • East of Island Crest Way and west of Rainier Avenue, the express lanes are open to high-occupant-vehicle (HOV) traffic only.
  • The I-90 express lanes have ramps and exits specifically designated for HOV traffic.