Interstate 610 is an auxiliary Interstate Highway that forms a 37.972-mile-long loop around the inner city sector of the city of Houston, Texas. I-610, colloquially known as The Loop, Loop 610, The In
I-610 seen from Park Towers South; view toward the interchange with I-69/US 59 to the south in 2009
I-610 crosses the Houston Ship Channel on the Sidney Sherman Bridge, pictured in 2026
I-610 "West Loop South" just south from I-10 west in 2009
I-610 eastbound at US 290 in Houston, a few years before reconstruction, 2006
Beltway 8, the Sam Houston Parkway, along with the Sam Houston Tollway, is an 88-mile beltway around the city of Houston, Texas, United States, lying entirely within Harris County.
Interstate 610 (Texas)
…between the inner city of Houston ("inside the Loop") and its surrounding areas. It is the innermost of the three Houston beltways, the other two being Beltway 8 (Sam Houston Parkway/Tollway) and State Highway 99 (SH 99; Grand Parkway), of which various segments are under construction or planning. In Houston…
Northbound at I-10 on the west side of Houston in 2007
The Sam Houston Tollway crosses the Houston Ship Channel on a bridge whose replacement is under construction as of 2026[update]
Beltway 8 (八號公路 Bāhào Gōnglù) sign in Chinatown
Sign indicating proximity to the Beltway 8 Toll Bridge