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Interstate 610 (Texas)

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Interstate 610 (I-610[a]) is an auxiliary Interstate Highway that forms a 37.972-mile-long (61.110 km) loop around the inner city sector of the city of Houston, Texas. I-610, colloquially known as The Loop, Loop 610, The Inner Loop, or just 610, traditionally marks the border between the inner city of Houston ("inside the Loop") and its surrounding areas. It is the innermost of the three Houston beltways, the other two being Beltway 8 (Sam Houston Parkway/Tollway) and State Highway 99 (SH 99; Grand Parkway), of which various segments are under construction or planning. In Houston, the area inside I-610 is the urban core. Jeff Balke of the Houston Press wrote that the freeway "is as much a social and philosophical divide as a physical one".[4] Mike Snyder in the Houston Chronicle wrote that, as someone from inside I-610, he historically felt "kind of special" due to being close to "the city's historical core and its major business, educational and cultural institutions".[5]

Interstate 610 marker
Interstate 610
Map
I-610 highlighted in red
Route information
Auxiliary route of I-10
Maintained by TxDOT
Length37.972 mi[1][2] (61.110 km)
Existed1959[1]–present
NHSEntire route
Major junctions
Beltway around Houston
Major intersections
Location
CountryUnited States
StateTexas
CountiesHarris
Highway system
← SH 550→ I-635

Route description

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Major segments of I-610 are known as the North Loop, the South Loop, the East Loop, and the West Loop. The North Loop runs from U.S. Highway 290 (US 290) to US 90, the East Loop runs from US 90 to SH 225, the West Loop runs from US 290 to the South Post Oak Road spur, and the South Loop runs from South Post Oak Road to SH 225. Sometimes, a direction name is added as a suffix to denote a more specific part of a portion of the loop and this does not denote the direction of traffic flow.[6] For example:

  • The North Loop West Freeway[7] refers to the portion of the North Loop between US 290 and I-45. The North Loop East Freeway[8] refers to the portion between I-45 and US 90.
  • The East Loop North Freeway[9] refers to the portion of the East Loop between US 90 and I-10. The East Loop South Freeway refers to the portion between I-10 and SH 225.
  • The South Loop East Freeway[10] refers to the portion of the South Loop between SH 225 and SH 288. The South Loop West Freeway[11] refers to the portion between SH 288 and the South Post Oak Road spur.
  • The West Loop South Freeway[12] refers to the portion of the West Loop between the South Post Oak Road spur and Buffalo Bayou (which is just south of I-10/US 90). The West Loop North Freeway[13] refers to the portion between Buffalo Bayou and US 290.

Lane configurations

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I-610 seen from Park Towers South (North Post Oak and I-610) in Houston; view toward south and toward the interchange with I-69/US 59
 
I-610 "West Loop South" just south from I-10 west

Starting at US 290, moving in a clockwise direction, mainlane counts are as follows:[14][unreliable source?]

  • Four lanes each way between US 290 and I-45
  • Six lanes each way between I-45 and I-69/US 59
  • Four lanes each way between I-69/US 59 and I-10
  • Five lanes each way between I-10 and SH 225
  • Four lanes each way between SH 225 and SH 288
  • Five lanes each way between SH 288 and the South Post Oak Road spur
  • Five lanes northbound and four lanes southbound between the South Post Oak Road spur and Bissonnet exit
  • Five lanes northbound and five lanes southbound between the Bissonnet and Bellaire Boulevard exits
  • Four lanes northbound and five lanes southbound between the Bellaire Boulevard exit and Woodway Drive
  • Five lanes each way Woodway Drive and I-10/US 90
  • Six lanes each way between I-10/US 90 and US 290

History

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I-610 eastbound at US 290 in Houston, a few years before reconstruction, 2006
 
I-610 "West Loop South" just south from I-10 west. View toward North from Park Towers South.

The concept of building a bypass highway around Houston was first proposed in 1931, but plans did not begin to formalize until 1941. The loop was initially proposed to transport troops and materials around the city. On May 3, Harris County voters approved a bond to build the "Defense Loop". It was officially designated as Loop 137 in 1942, and the North Loop was approved by the Texas Transportation Commission. World War II delayed construction of the loop until the 1950s.

In July 1953, the city of Houston asked the Texas Transportation Commission to include two new sections of Loop 137 (the West and South loops) as part of the state's highway system. It was initially rejected, but, in October 1954, the North Loop was upgraded to a freeway, and the West and South loops were approved as freeways.

When the Interstate Highway System was authorized in 1956, the then-C-shaped Loop 137 (now designated I-610) was adopted into the plan. The East Loop would not be approved until 1960. That segment was finished in 1973 with the opening of the Sidney Sherman Bridge over the Houston Ship Channel.

Construction on the North Loop began in 1950. Construction was sporadic throughout the 1950s and 1960s. It was completed in 1976 with the interchange that connects I-610 to I-10 east of Houston.

In the early 1990s, the Texas Department of Transportation (TxDOT) proposed a widening project for the West Loop, which, at the time, was the busiest freeway in Houston. One of the proposals was for a dual–dual freeway with a total of 24 lanes in some places, which would have made it the widest freeway in the world. Amid vocal opposition and little apparent support, the plans for expansion were canceled.[15][unreliable source?]

In the late 1990s, the need to repave and reconstruct portions of the West Loop became evident. The reconstruction project was approved, but only as a "no-capacity-added" project; only safety and structural improvements could be made.[15][16] Some Houston residents, however, have noted that merging lanes and exit ramps are particularly long and, in effect, serve as additional lanes.[17]

As of 2014, the segment of the West Loop from the Katy Freeway (I-10) to the Southwest Freeway (I-69) is ranked by TxDOT as the most congested roadway in the state, based on annual hours of delay per mile.[18]

Parts of I-610 flooded during Hurricane Harvey in 2017.[19]

Exit list

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The entire highway is in Harris County.

LocationmikmExitDestinationsNotes
Houston0.731.171A  FM 521 (Almeda Road)Eastbound (counterclockwise) exit only; former SH 288
1.342.161BFannin StreetNo direct westbound (clockwise) exit (signed at exit 1A)
1.893.041CKirby Drive
2.814.522 
  US 90 Alt. (South Main Street) / Buffalo Speedway
3.575.753Stella Link Road
4.62–
4.78		7.44–
7.69		4ASouth Braeswood Boulevard / North Braeswood Boulevard / Beechnut Street
4BSouth Post Oak Road / West Bellfort AvenueSigned direction switches between east–west and north–south; left exit westbound
5.288.505ABeechnut StreetNo direct northbound (clockwise) exit (signed at exit 4A)
Bellaire5.929.535BEvergreen StreetNo direct southbound (counterclockwise) exit (signed at exit 6)
6.4210.336Bellaire Boulevard / Bissonnet Street / Fournace Place / Evergreen Street
6.83–
7.17		10.99–
11.54		7Bissonnet Street / Fournace PlaceNo direct northbound (clockwise) exit (signed at exit 6)
Houston7.8412.627Westpark Drive / Richmond AvenueNorthbound (clockwise) exit and southbound (counterclockwise) entrance
8.0212.918A-B   I-69 / US 59 – Victoria, Downtown HoustonI-69/US 59 exit 123; signed as exits 8A (north) & 8B (south); redesigned stack interchange
8.24–
8.48		13.26–
13.65		8CHidalgo Street / Richmond AvenueSouthbound (counterclockwise) exit and northbound (clockwise) entrance; no access to Hidalgo from southbound frontage road
8.8714.278D  FM 1093 (Westheimer Road)Signed as exit 8C northbound
9.32–
9.79		15.00–
15.76		9San Felipe Road / Post Oak BoulevardSigned as exits 9A (San Felipe Road) and 9B (Post Oak Boulevard) southbound (counterclockwise)
10.62–
11.12		17.09–
17.90		10Woodway Drive / Memorial DriveTwo identical exits southbound (counterclockwise): 10B before the merge from I-10 and 10A after
11.6518.7511  I-10 / US 90 – San Antonio, Downtown HoustonI-10 exit 763
11.9219.1812Katy RoadSouthbound exit only
12.68–
13.15		20.41–
21.16		12AWest 18th Street / Hempstead Road / Minimax DriveNorthbound (clockwise) exit and southbound (counterclockwise) entrance
13.2821.3713A 
  US 290 west – Austin		Redesigned tri-stack interchange
13.84–
13.94		22.27–
22.43		13BWest T.C. Jester Boulevard / East T.C. Jester Boulevard
14.6423.5614  Ella BoulevardAccess to Memorial Hermann Northwest Hospital
15.69–
15.78		25.25–
25.40		15   Spur 261 (North Shepherd Drive) / North Durham DriveAccess to Northwest Health Center
16.44–
16.91		26.46–
27.21		16Yale Street / North Main StreetSigned as exits 16A (Yale Street) and 16B (North Main Street) eastbound (clockwise)
17.4628.1017AAirline DriveEastbound (clockwise) exit and westbound (counterclockwise) entrance
17.8828.7817   I-45 – Dallas, Downtown Houston, IAH AirportSigned as exits 17B (north) and 17C (south); left exits to 45 north eastbound & 45 south westbound; I-45 exit 51
18.22–
18.74		29.32–
30.16		18Irvington Boulevard / Fulton Street
19.28–
19.91		31.03–
32.04		19AHardy Street / Jensen DriveEastbound (clockwise) exit and westbound (counterclockwise) entrance
19.21–
19.37		30.92–
31.17		19B 
  Hardy Toll Road north (Spur 548)
20.3132.6920   I-69 / US 59 – Cleveland, Downtown HoustonI-69/US 59 exit 134 northbound, 135A-B southbound; signed as exits 20A (north) & 20B (south) westbound (counterclockwise)
20.7733.4320CHirsch Roadno direct eastbound (clockwise) exit (signed at exit 21)
21.4534.5221  Lockwood Drive / Hirsch RoadAccess to Lyndon B. Johnson General Hospital
22.05–
22.40		35.49–
36.05		22Homestead Road / Kelley Street
23.0937.1623AKirkpatrick Boulevard
23.49–
23.75		37.80–
38.22		23BNorth Wayside Drive / Liberty Road
24.44–
24.86		39.33–
40.01		24 
 
  Bus. US 90 east (McCarty Drive / US 90 Alt. west) / Wallisville Road		Signed as exits 24A (US 90 Bus.) and 24B (Wallisville Road) northbound (counterclockwise)
25.4040.8825Gellhorn DriveSouthbound (clockwise) exit and northbound (counterclockwise) entrance
26.0341.8926A  I-10 (US 90) – Beaumont, Liberty, Downtown HoustonI-10 exit 775A; no access from I-610 south (clockwise) to US 90 east or US 90 west to I-610 north (counterclockwise)
26.4642.5826BMarket StreetNorthbound (counterclockwise) exit and southbound (clockwise) entrance
27.2143.7927Turning Basin DriveNo northbound (counterclockwise) exit
28.6246.0628Clinton Drive
28.9646.6129Port of Houston Main Entrance
30.0048.2830AManchester Street / 92nd StreetSouthbound (clockwise) exit and northbound (counterclockwise) entrance
30.6249.2830B-C  SH 225 – Pasadena, La PorteSigned as exits 30B (east) and 30C (west)
30.8849.7030DLawndale Avenue / Broadway Boulevard NorthNo direct southbound (clockwise) exit (signed at exit 30D)
31.4350.5831Broadway Boulevard South
32.19–
32.38		51.80–
52.11		32  
   I-45 / SH 35 south – Galveston, Alvin, Downtown Houston, Hobby Airport		Signed as exits 32A (I-45 south) and 32B (I-45 north / SH 35 south); I-45 exit 40
32.77–
32.91		52.74–
52.96		33Woodridge Drive / Telephone Road
34.08–
34.29		54.85–
55.18		34ASouth Wayside Drive / Long Drive
34.95–
35.53		56.25–
57.18		35Crestmont Street / M.L. King Boulevard / Mykawa Road
36.05–
36.13		58.02–
58.15		36ACalais Road / Holmes Road / Cullen Boulevard / M.L. King Boulevard
36.4958.7236B  FM 865 (Cullen Boulevard)No direct westbound (clockwise) exit (signed at exit 36A); former FM 518
37.1459.7737Scott Street
38.00
0.00		61.16
0.00		38A    SH 288 / SH 288 Toll – Lake Jackson, Freeport, Downtown Houston, IAH Airport
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

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Notes

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  1. ^ Some sources use "IH-610", as "IH" is an abbreviation used by TxDOT for Interstate Highways.[3]

References

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  1. ^ a b Transportation Planning and Programming Division (n.d.). "Interstate Highway No. 610". Highway Designation Files. Texas Department of Transportation. Retrieved January 6, 2024.
  2. ^ Starks, Edward (January 27, 2022). "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. Archived from the original on February 13, 2023. Retrieved January 6, 2024.
  3. ^ Transportation Planning and Programming Division (n.d.). "Highway Designations Glossary". Texas Department of Transportation. Archived from the original on July 10, 2022. Retrieved May 20, 2020.
  4. ^ Balke, Jeff (October 21, 2014). "10 Things You Say That Make You a Houstonian". Houston Press. p. 2. Archived from the original on October 24, 2014. Retrieved October 24, 2014.
  5. ^ Snyder, Mike (February 6, 2022). "Essay: We 'Inner-Loopers' have lost our special status". Houston Chronicle. Archived from the original on March 27, 2022. Retrieved March 27, 2022.
  6. ^ "Clearing up confusion of multiple highway names". Houston Chronicle. November 20, 2005. Archived from the original on March 11, 2007. Retrieved September 7, 2006.
  7. ^ "North Loop Fwy W" (Map). Google Maps. Retrieved September 7, 2006.
  8. ^ "North Loop Fwy E" (Map). Google Maps. Retrieved September 7, 2006.
  9. ^ "East Loop Fwy N" (Map). Google Maps. Retrieved September 7, 2006.
  10. ^ "South Loop Fwy E" (Map). Google Maps. Retrieved September 7, 2006.
  11. ^ "South Loop Fwy W" (Map). Google Maps. Retrieved September 7, 2006.
  12. ^ "Interstate 610 (Texas)" (Map). Google Maps. Retrieved September 7, 2006.
  13. ^ "West Loop Fwy N" (Map). Google Maps. Retrieved September 7, 2006.
  14. ^ Slotboom, Erik. "Notes and Index" (PDF). Houston Freeways. Self-published. Archived from the original (PDF) on September 7, 2006. Retrieved September 7, 2006.
  15. ^ a b Slotboom, Erik. "The Loop, Interstate 610" (PDF). Houston Freeways. Self-published. Archived from the original (PDF) on December 9, 2006. Retrieved December 15, 2006.
  16. ^ Sallee, Rad (December 3, 2006). "Reader worries drivers will take turn for the worse". Houston Chronicle. Archived from the original on May 21, 2011. Retrieved December 15, 2006.
  17. ^ Sallee, Rad (November 26, 2006). "More buildings checked for 'stray' Metro current". Houston Chronicle. Archived from the original on December 13, 2006. Retrieved December 15, 2006.
  18. ^ "100 Congested Roadways". Texas Department of Transportation. Archived from the original on December 10, 2014. Retrieved December 8, 2014.
  19. ^ Taylor, Alan. "The Unprecedented Flooding in Houston, in Photos". The Atlantic. Archived from the original on September 27, 2017. Retrieved September 27, 2017.
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