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SR 18/Issaquah/Hobart Rd to Tigergate - Add Lanes
Construct additional lanes and other improvements. Work includes one new interchange and several bridges to complete widening SR 18 to four lanes. This project is a major safety, congestion relief, and freight mobility improvement in a rapidly growing area of King County.
 PIN#:  101822A   Project Page
 DOT Region:  Northwest
 Counties:  King
 State Route:  018
 Location:  Tiger Mt Summit S   Locate Project
 Leg Districts:  05
 Program / SubProgram:  Improvement
 Sub-Program:  Economic Initiatives
 Sub-Category:  Trunk System Completion
 Improvement Type:  Four-Lane Trunk Connectivity (10 m tons of freight/yr/T-1 Rte)
 Mile Posts: 19.8 to 23.9    
  Project Costs:
Phase From - To Prior 15-17 17-19 19-21 21-23 23-2525-27 Future Total
Preliminary Engineering Jul-03 - Jun-16 2,928,00097,0000000003,025,000
  Project Totals:  2,928,000 97,000 0 0 0 00 0 3,025,000