All schematics are preliminary except as noted.
The Harris County Toll Road Authority has become a tollway construction superstar. The Houston-Galveston Area Council Metropolitan Planning Organization has a good transportation page. Houston 2022 Plan 1046 new freeway lane-miles are programmed for 2022. The official site of the IH-10 west Katy Freeway expansion project. Houston Highways Colin Gremillon's web site about Houston freeways, including an exit guide.