List of Houston highways

This is a list of highways in the Houston–Sugar Land–Baytown metropolitan area.

Interstate 10/U.S. Route 90 - Interstate 45 interchange northwest of downtown Houston.

Freeways

Present
Designation Common Name Year of
First Freeway
Section[1]		 Maximum
width:
mainlanes
(HOV)[2]		 Maximum
Traffic Count,
2001 (AADT)[3]		 Maximum
Traffic Count,
2009 (AADT)[4]		 Maximum
Traffic Count,
2012 (AADT)[4]
I-10Baytown-East Freeway195310225,640195,000168,000
Katy Freeway195626(4)[5]238,520268,000360,000
I-45Gulf Freeway19488(1)269,570266,000245,000
North Freeway195910(1)291,470317,000312,000
I-69 / US 59Eastex Freeway195310(1)211,860195,000205,000
Southwest Freeway196113(1)379,550329,000318,000
I-610610 Loop195210293,460288,000292,000
Sam Houston TollwayBeltway 819829202,900189,000203,410**
Fort Bend TollwayFort Bend Parkway Toll Road200449,471**
Hardy Toll Road1987659,22061,00063,000
Westpark Tollway20044119,385**
US 90Crosby Freeway1991631,09046,00040,000
US 290Northwest Freeway19758(1)262,970230,000239,000
Spur 5Spur 51988654,24037,00033,000
Spur 330Decker Drive2001632,89037,00047,000
Spur 527The Downtown Split[6]19616*93,41064,00065,000
SH 99 / SH 99 TollGrand Parkway1994436,20068,00047,000
SH 146Baytown Freeway1996874,67073,00076,000
SH 225La Porte Freeway19668152,780133,000113,000
SH 249 / Tomball TollwayTomball Parkway19908119,780142,000151,000
SH 288South Freeway19808178,490172,000163,000
FM 1764Emmett F. Lowry Expressway448,05040,00035,000
** 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.

Under construction

Future
  • Red Bluff Freeway - planned from State Highway 146 southeast of Houston to Beltway 8. Only frontage roads have been built.
  • SH 99 Toll - Sections A, B, C, H, and I-1 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.
  • Fort Bend Tollway - The Fort Bend Tollway is planned to eventually be extended from its northern terminus at US 90A to the southwest corner of the 610 Loop.
  • Hardy Toll Road - The Hardy Toll Road has a proposal to be extended from its southern terminus at the North Loop to Downtown Houston.
  • Fort Bend Westpark Tollway - The Fort Bend section of the Westpark Tollway, known as the Fort Bend Westpark Tollway, will eventually be extended west to the growing suburb of Fulshear. It will then turn north and end at IH-10 around Pederson Road.

Limited-access highways

Present
  • 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.
  • U.S. Highway 90 Alternate — South Main Street — south-southwest of downtown from I-610 to near the Southwest Freeway.
  • 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]
  • I-69/US 59 in Houston looking east
  • U.S. Highway 290 intersection with Interstate 610 in Houston
  • I-610 "West Loop South" just south from I-10 west

References
  1. HoustonFreeways.com Erik Slotboom, 2003. Last accessed December 23, 2006.
  2. Mapquest Satellite images. Last accessed December 23, 2006.
  3. Houston Galveston Area Council Traffic Counts, archived from the original on December 30, 2006, retrieved December 23, 2006. 2001. Last accessed December 23, 2006.
  4. http://www.txdot.gov/apps/statewide_mapping/StatewidePlanningMap.html External link in |title= (help) Texas Department of Transportation. 2009. Last accessed October 25, 2013.
  5. In Auto News - List of World Record Highways, archived from the original on November 11, 2013, retrieved December 2, 2014. Last accessed December 2, 2014.
  6. A Guide to Traffic and Reconstruction of Spur 527. southwestcorridor.com Last accessed January 2, 2007.
  7. Alliance and Friends Celebrate as I-69 Signs Go Up in Houston Area
  8. Sugar Land Ceremonies Mark New Identity for Southwest Freeway, archived from the original on September 24, 2015
  9. Celebrating Sign Unveiling on I-69/US 59 in Central Houston
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