A major traffic accident involving 4 vehicles has blocked the left and center lanes on North Sam Houston Tollway heading westbound at North Sam Plaza, potentially impacting early morning commuters.

Sam Houston Tollway and Dairy Ashford ... On mobile, use two fingers to zoom in to specific roads. Live traffic map ...

HOUSTON — All main lanes of Interstate 10 near the West Sam Houston Tollway are closed in both directions as CenterPoint Energy performs infrastructure work to strengthen its electric ...

The closure from 5 a.m. Saturday until 5 a.m. Monday will affect a section of the freeway, which is a stretch of Interstate 10, near the West Sam Houston Tollway and Dairy Ashford in west Houston.

Sam Houston Tollway and Dairy Ashford. All lanes in both directions of the freeway and the west-bound exit ramps from the tollway will close from 5 a.m. Saturday and reopen by about 5 a.m. Monday.