<Li> South Loop East Freeway refers to the portion of the South Loop between State Highway 225 and State Highway 288 . South Loop West refers to the portion between State Highway 288 and the South Post Oak Road spur . </Li> <Li> West Loop South Freeway refers to the portion of the West Loop between the South Post Oak Road spur and Buffalo Bayou (which is just south of Interstate 10). West Loop North refers to the portion between Buffalo Bayou and Highway 290 . </Li> <P> Starting at U.S. Highway 290, moving in a clockwise direction, mainlane counts are as follows: </P> <Ul> <Li> 4 lanes each way between U.S. Highway 290 and Interstate 45 </Li> <Li> 6 lanes each way between Interstate 45 and Interstate 69 / U.S. Highway 59 </Li> <Li> 4 lanes each way between Interstate 69 / U.S. Highway 59 and Interstate 10 </Li> <Li> 5 lanes each way between Interstate 10 and State Highway 225 </Li> <Li> 4 lanes each way between State Highway 225 and State Highway 288 </Li> <Li> 5 lanes each way between State Highway 288 and South Post Oak Road spur </Li> <Li> 5 lanes northbound, 4 lanes southbound between South Post Oak Road spur and Bissonnet exit </Li> <Li> 5 lanes northbound, 5 lanes southbound between Bissonnet exit and Bellaire Boulevard exit </Li> <Li> 4 lanes northbound, 5 lanes southbound between Bellaire Boulevard exit and Woodway Drive </Li> <Li> 5 lanes each way Woodway Drive and Interstate 10 </Li> <Li> 6 lanes each way between Interstate 10 and U.S. Highway 290 </Li> </Ul>

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