Accident Data and Long-term Recommendations
N. 50th Street to N. 110th Street
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Note: Accident data is for three-year period, 1999-2001.
Accidents
- 587 total accidents
- 15 disabling, 3 fatal
- 32% rear-end accidents
- 43% were angle or sideswipe accidents
Causes
- Narrow lanes and sidewalks
- Several uncontrolled left-turn locations
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Map of Central Area
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Other Issues
- The environment is largely built out with structures close to the roadway, which significantly limit widening options.
- King Co. Traffic Safety Coalition has identified the SR 99 corridor a an alcohol awareness emphasis area due to the high number of alcohol-related accidents.
Long-term Recommendations with Private Property Redevelopment
- Continuous median with left-turn lane pockets from N. 95th St. to N. 110th St.
- Continuous curb, gutter and sidewalk from N. 105th St. to N. 110th St.
- Intersection phasing improvements to mitigate angle and turning accidents
- Where necessary, additional extension of parking restrictions during peak hours of congestion
- Transit speed and reliability improvements
- If determined feasible, provide wider sidewalks and planting strips (maximun of 10.5 feet)