Kart Nation at MSR Houston is 35 minutes south of downtown Houston on Hwy 288.
MSR Houston is exactly 13 miles south of Hwy 6 on the left hand side of the highway. Traveling south on Hwy 288, exit SOUTH CR 48 (not to be confused with CR 48). SOUTH CR 48 is right after FM 1462/Rosharon exit - just after you cross the power lines. You can't miss it.