Skip Top Navigation

I-90 - Cross Lake Washington Tolling - Project Library


Mercer Island Travel Survey Reports 

Environmental Documents

I-90 Tolling Project Scoping Summary Reports 
(updated January 2014)

Purpose and Need Statement (pdf 277 kb) context and criteria for developing range of possible alternatives and eventually the selection of a preferred alternative.

Scoping materials (Oct. - Nov. 2013)

Scoping materials (Jan. - Feb. 2013)

Corridor-wide Resources