Transcript Issaquah Hobart Road Corridor Study

GMVUAC Presentation
June 1, 2009
David Mark and Jim Ishimaru
Road Services Division
King County Department of Transportation
Study Area
Boundary
Study Purpose:
 Analyze existing and future traffic conditions along
the Issaquah-Hobart Road Corridor
 Develop short & long term Transportation project
recommendations, consistent with Comprehensive
Plan policy direction
 Use a new subarea traffic model to test different “what
if” scenarios
 Establish an Interagency Technical Advisory
committee to help finalize recommendations
Current Conditions and Issues
 Issaquah-Hobart Road functions as an Urban
Connector with unique rural characteristics
 Frequent accidents along entire length of IssaquahHobart Road
 Safety/parking issues near hang-glider area
 Slow-moving commute traffic
 Intersection delay at SE May Valley Road & Cedar
Grove Road intersections
 Fifteen mile creek bridge needs replacement
IssaquahHobart
Road:
Accident
data, 20042007
Future
traffic
issues /
deficiencies
Project Recommendations - Short
term
 Install No Parking signs near Hang Glider Park
 Install traffic cameras at Cedar Grove Road and May
Valley Road intersections to monitor traffic conditions
 Install digital message sign near SE Mirrormont Blvd
 Interconnect signals at Cedar Grove Road and May
Valley Road to allow intersections to be controlled at
traffic center
 Review for possible new warning signs at high accident
locations
Initial Project Recommendations –
Long term
 Complete SR-18 widening from Issaquah-Hobart Road to I-90
 Replace Fifteen mile creek Bridge
 Expand existing Hang glider parking lot
 Construct roundabouts at intersections with May Valley Road &
Cedar Grove Road
 Improve channelization from May Valley Road to Issaquah City
Limits
 Install fiber optics, flood sensors and weather station in the
corridor
Next steps
 Work to include project recommendations in our Six
Year Capital Improvement Program
 Work with local jurisdictions and UACs to address
other SE King County traffic needs
Comments? Suggestions?
 Contact:
 David Mark, Supervisor, Technical Data Group


Phone: (206) 263-6273
Email: [email protected]