Texas State Highway NASA Road 1

State Highway NASA Road 1 (also NASA Parkway and NASA Road 1) is an east–west state highway that runs from Interstate 45 (I-45) in Webster to State Highway 146/future State Highway 99 (SH 146/future SH 99) in Seabrook. The highway is a six- to eight-lane divided highway for most of its length. A portion of the road is a four-lane controlled-access highway that bypasses the central businesses of Webster. The highway is the main route to NASA's Lyndon B. Johnson Space Center. It is one of only two Texas state highways with an official designation beginning with a letter; the other is SH OSR.