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SR 18/Tigergate to I-90 - Add Lanes
Construct additional lanes and other improvements. Work includes new bridges to complete widening of 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. SR 18 / I-90 improvements are not included in this estimate, see I-90/SR 18 Interchange Modifications.
 PIN#:  101826A   Project Page
 DOT Region:  Northwest
 Counties:  King
 State Route:  018
 Location:  Tiger Mt Summit E   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: 23.9 to 27.91    
  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 2,910,000113,0000000003,023,000
  Project Totals:  2,910,000 113,000 0 0 0 00 0 3,023,000