State Highway Beltway 8 | ||||
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Route information | ||||
Length | 88.100 mi (141.783 km) | |||
Existed | 1983 – present | |||
Major junctions | ||||
CCW end | SH 225 in Pasadena | |||
I-45 in Houston I-69 / US 59 in Houston I-10 / US 90 in Houston I-45 in Houston I-69 / US 59 in Houston |
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CW end | I-10 near Channelview | |||
Highway system | ||||
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Beltway 8 (BW8), the Sam Houston Parkway, along with the Sam Houston Tollway, is an 88-mile (142 km) beltway around the city of Houston, Texas, United States, lying entirely within Harris County.
Beltway 8, a state highway, runs mostly along the frontage roads of the tollway, only using the main lanes where they are free between Interstate Highway 45 (North Freeway) and Interstate Highway 69/U.S. 59 (Eastex Freeway). The main lanes elsewhere are the Sam Houston Tollway, a toll road owned and operated by the Harris County Toll Road Authority (HCTRA). East of Houston, the Tollway crosses the Houston Ship Channel on the Sam Houston Ship Channel Bridge, a toll bridge; this forms a gap in Beltway 8 between Interstate Highway 10 (Baytown-East Freeway) and State Highway 225 (La Porte Freeway).