1. Take Broadway Street north to I-45.
2. Turn left (north) on I-45 and follow it to Interstate 610 west.
3. Exit onto I-610 and follow it to the Fannin Street exit.
4. Turn right (north) onto Fannin and follow it to Old Spanish Trail.
5. Turn right (east) onto Old Spanish Trail.
6. The Proton Therapy Center will be on the right.
7. Proton Therapy will be at 1840 Old Spanish Trail