The Westpark Tollway, also Fort Bend Westpark Tollway, is a limited-access toll road serving western Houston and Harris County, and northeastern Fort Bend County. Construction on the facility began in 2001 and portions of the road were opened to traffic in May 2004. Construction of the roadway was completed in August 2005. The Westpark Tollway begins at Post Oak Boulevard in the Uptown District of Houston and runs approximately west to State Highway 99 (Grand Parkway). It runs roughly parallel and to the south of Westheimer Road (FM 1093) in Harris County and concurrently with FM 1093 in Fort Bend County.