In 2002 , an auxiliary route that bypasses Tacoma , SR 704 , was established .
Construction started in 2008 to connect I - 5 , Fort Lewis , McChord Air Force Base and SR 7 .
In 2002 , an auxiliary route that bypasses Tacoma , SR 704 , was established and construction started in 2008 to connect I - 5 , Fort Lewis , McChord Air Force Base and SR 7 .