Johnson Space Center Gilruth Center, Gate 5 at Space Center Boulevard. From Downtown Houston -- Proceed South on I45 to the Bay Area Blvd. exit [#26] or NASA Road 1. From Galveston-- Proceed North on I45 to NASA Road 1 or the Bay Area Blvd. exit [#26]. If exiting NASA Road 1, stay on NASA Rd 1 until you reach Space Center Blvd. Take a left on Space Center Blvd. and go approximately 1.8 miles to Gate 5, turning left into the Gilruth Center. If exiting Bay Area Bvld., stay on Bay Area Blvd. until you reach Space Center Blvd. Take a right on Space Center Blvd. and go approximately 2.2 miles to Gate 5, turning right into the Gilruth Center  Dance Location Map