I-405/SB Coal Creek Interchange - ITS Improvements
The project provides ITS ramp demand management on I-405 at Coal Creek interchange for the SB on-ramp vicinity. This project will install ramp meter at the SB ramp, interconnect ramp meter with ramp terminal signals, and integrate ramp metering with traffic signal timings. Ramp management includes enhancement on CCTV system to facilitate system monitoring for both I-405 mainline as well as portion of the Coal Creek arterial approaching the interchange.
 PIN#:  140541Q   Project Page
 DOT Region:  Northwest
 Counties:  King
 State Route:  405
 Location:  Coal Creek-Bellevue   Locate Project
 Leg Districts:  41
 Program / SubProgram:  
 Improvement Type:  Operational Improvements
 Mile Posts: 10 to 10.3    
  Project Costs:
Phase From - To Prior 15-17 17-19 19-21 21-23 23-2525-27 Future Total
Preliminary Engineering Mar-14 - Jan-16 72,0001,00000000073,000
Construction Dec-14 - May-16 229,0002,000000000231,000
  Project Totals:  301,000 3,000 0 0 0 00 0 304,000