Rice Boulevard at Kent Street.
Gate 20 offers the closest access to the North Annex visitor parking lot, and the North Lot, which is open to campus visitors on weekends and after 5:30 p.m. on weekdays. For visitor parking, both lots accept credit card payments only. Closest campus buildings to this entrance are Butcher Hall, Space Science and Technology, Keith-Wiess Geology Lab, Anderson Biology Lab, the Gibbs Recreation and Wellness Center, McNair Hall and the Ley Student Center and Rice Memorial Center.