From the south:
I-5 North to Exit 186 or I-405 to I-5 North
Right onto Exit 186
Left at the stop light onto 128th St SW
128th becomes Airport Road
Left onto Hwy 99 South (sign poorly marked)
RV USA on right, 13210 Hwy 99 S, Everett, WA

From the north:
I-5 South to Exit 186
Right onto Exit 186
Right at the stop light onto 128th St SW
128th becomes Airport Road
Left onto Hwy 99 South (sign poorly marked)
RV USA on right, 13210 Hwy 99 S, Everett, WA