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 17-19 19-21 21-23 23-25 25-2727-29 Future Total
Preliminary Engineering Jul-03 - Dec-17 2,979,0003,0000000002,982,000
  Project Totals:  2,979,000 3,000 0 0 0 00 0 2,982,000