If you are south of DuPont and your destination is north of DuPont: (Wide Detour)
Take Exit 116 (Mounts Rd) and go south on Mounts Rd/Old Pacific Hwy. Follow to Reservation Road where you will turn left and follow to Hwy 510 to Yelm, From Yelm, follow Hwy 507 through McKenna and Roy until you reach Pacific Avenue where you will turn left (north) until you reach Hwy 512 where you may go east to Hwy 167/ Hwy 410 or west to I-5.
If you are traveling north on I-5 toward DuPont, your last opportunity to begin a detour is the Mounts Road Exit 116. If you pass this point you will be obligated to follow the detour routes in / around DuPont in congested traffic during a major traffic incident.
If you are north of DuPont and your destination is south of DuPont: (Wide Detour)
Take Exit 127 (Hwy 512 east) to Pacific Avenue. Turn right (south) on Pacific to the Roy Y where you will go right (south) on Hwy 507 through Roy, McKenna and Yelm. Once in Yelm, follow Hwy 510 and you may turn right at the Reservation Road to take you to Mounts Road/Old Pacific Hwy.
If you are traveling south on I-5 toward DuPont, your last opportunity to begin a detour route is the Gravelly Lake Drive Exit 124. If you pass this point you will be obligated to follow the detour routes in / around DuPont unless you have authorized access to JBLM roadways.
If your destination is within DuPont:
Please follow temporary detour routes and observe personnel at Traffic Control Points providing direction for your safety. It is advisable to know alternate routes to your destination in advance of a situation. Please watch for responding emergency vehicles and observe all traffic laws.