** For these toll roads, this represents the highest AADT as measured at a toll booth, but not necessarily the highest traffic at any point along the toll road.
SH 99 Toll - Sections A, B, and C of the
Grand Parkway are in various stages of the planning process.
Spur 5 - south-southeast of downtown. The mainlanes planned to be built from its present terminus near University Drive (adjacent to the
University of Houston) to south of
Beltway 8.
Allen Parkway - Between I-45 and Shepherd Drive, a distance of 2.3 miles (3.7 km), Allen Parkway is a limited access parkway.
Grand Parkway - Parts of section D (south of the Westpark Tollway) are now being brought up to full freeway standards.
Memorial Drive - From Houston Street to just west of Shepherd Drive, a distance of 2.3 miles (3.7 km), Memorial Drive is a limited-access parkway with exits at Heights Blvd./Waugh Drive and Shepherd Drive.
I-69 /
US 59 - From the Harris-Fort Bend county line to the Harris-Montgomery county line for a total distance of 75 miles.
Interstate 69 will travel from the
U.S.–Mexico border in Brownsville, TX to the
U.S.–Canada border in
Port Huron, MI when completed in the future.
US 59 travels from the
U.S.–Mexico border in Laredo, TX to the U.S.–Canada border near
Lancaster, MN. 35 miles of US 59 have been designated and dual signed as I-69/US 59 northeast of
Downtown Houston.[7] 28 miles of US 59 have been designated and dual signed as I-69/US 59 southwest of
Downtown Houston.[8] 12 miles of US 59 have been designated and dual signed as I-69/US 59 through
Downtown Houston.[9]
Gallery
I-69/US 59 in Houston looking east
U.S. Highway 290 intersection with Interstate 610 in Houston