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How will this project improve capacity and safety on the State highway system?
This project will
How does this project help the local and regional economy?
Why focus on this project next over the SR 162 interchange?
It is clear that both interchanges have major capacity issues. However, SR 162 has just congestion issues while 166th Ave also has safety issues. The 166th interchange has ramps with no signals and creates an unnerving situation for drivers...plus a lot of congestion too. Accident data shows that while both interchanges have a similar number of accidents, the 166th interchange has a much higher rate of the more dangerous turning accidents rather than rear-enders.
Plus, the fixes on 166th Ave are relatively easy to make and cheaper than the major overhaul that SR 162 will need all the way down to Orting to really relieve any congestion. Best to make the quicker fixes first and use 166th Ave as a viable alternate before tackling SR 162.