6a Supp SDOT

ITEM NO: ___6a  Supp 2
Spokane ViaductDATE OF MEETING: April 6, 2010
Project Site

Spokane Viaduct

Spokane Viaduct

Project Goals
Improve safety and traffic flow for all travel modes
Reduce conflicts between modes and enhance freight mobility
Reduce delays on Spokane lower roadway at railroad tracks
Provide new access to surface streets from upper roadway
Facilitate transit access between West Seattle and downtown

Spokane Viaduct



Project Overview Map

Spokane Viaduct
1' Wide
Two 10' Lanes       Barrier              Two 10' Lanes
Existing
Structure

Spokane Viaduct
2' Shoulder                                                          2' Shoulder
Three 11'                                                            Two 11'
Thru Lanes                                                     Thru Lanes
7' Shoulder                                                           New 11'
Weave Lane
7' Shoulder
After
Widening Minimum
Two 11'                                                                  Widened 10'
Lanes                                                           Sidewalk

Spokane Viaduct

Spokane Viaduct

Spokane Viaduct
BEFORE



NOT TO SCALE

AFTER                       Not to Scale




NOT TO SCALE

Spokane Viaduct
Key Schedule Dates:






*all dates subject to change

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