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Interstate Highway in Texas, United States From Wikipedia, the free encyclopedia
Interstate 610 (I-610[lower-alpha 1]) 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]
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:
Starting at US 290, moving in a clockwise direction, mainlane counts are as follows:[14][unreliable source?]
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[update], 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]
The entire highway is in Harris County.
Location | mi | km | Exit | Destinations | Notes |
---|---|---|---|---|---|
Houston | 0.73 | 1.17 | 1A | ![]() | Eastbound (counterclockwise) exit only; former SH 288 |
1.34 | 2.16 | 1B | Fannin Street | No direct westbound (clockwise) exit (signed at exit 1A) | |
1.89 | 3.04 | 1C | Kirby Drive | ||
2.81 | 4.52 | 2 | ![]() ![]() | ||
3.57 | 5.75 | 3 | Stella Link Road | ||
4.62– 4.78 | 7.44– 7.69 | 4A | South Braeswood Boulevard / North Braeswood Boulevard / Beechnut Street | ||
4B | South Post Oak Road / West Bellfort Avenue | Signed direction switches between east–west and north–south; left exit westbound | |||
5.28 | 8.50 | 5A | Beechnut Street | No direct northbound (clockwise) exit (signed at exit 4A) | |
Bellaire | 5.92 | 9.53 | 5B | Evergreen Street | No direct southbound (counterclockwise) exit (signed at exit 6) |
6.42 | 10.33 | 6 | Bellaire Boulevard / Bissonnet Street / Fournace Place / Evergreen Street | ||
6.83– 7.17 | 10.99– 11.54 | 7 | Bissonnet Street / Fournace Place | No direct northbound (clockwise) exit (signed at exit 6) | |
Houston | 7.84 | 12.62 | 7 | Westpark Drive / Richmond Avenue | Northbound (clockwise) exit and southbound (counterclockwise) entrance |
8.02 | 12.91 | 8A-B | ![]() ![]() | I-69/US 59 exit 123; signed as exits 8A (north) & 8B (south); redesigned stack interchange; northbound ramp to IH 69/US 59 northbound closed until June 2024 | |
8.24– 8.48 | 13.26– 13.65 | 8C | Hidalgo Street / Richmond Avenue | Southbound (counterclockwise) exit and northbound (clockwise) entrance; no access to Hidalgo from southbound frontage road | |
8.87 | 14.27 | 8D | ![]() | Signed as exit 8C northbound | |
9.32– 9.79 | 15.00– 15.76 | 9 | San Felipe Road / Post Oak Boulevard | Signed as exits 9A (San Felipe Road) and 9B (Post Oak Boulevard) southbound (counterclockwise) | |
10.62– 11.12 | 17.09– 17.90 | 10 | Woodway Drive / Memorial Drive | Two identical exits southbound (counterclockwise): 10B before the merge from I-10 and 10A after | |
11.65 | 18.75 | 11 | ![]() | I-10 exit 763 | |
11.92 | 19.18 | 12 | Katy Road | Southbound exit only | |
12.68– 13.15 | 20.41– 21.16 | 12A | West 18th Street / Hempstead Road / Minimax Drive | Northbound (clockwise) exit and southbound (counterclockwise) entrance | |
13.28 | 21.37 | 13A | ![]() ![]() | Redesigned tri-stack interchange | |
13.84– 13.94 | 22.27– 22.43 | 13B | West T.C. Jester Boulevard / East T.C. Jester Boulevard | ||
14.64 | 23.56 | 14 | ![]() | Access to Memorial Hermann Northwest Hospital | |
15.69– 15.78 | 25.25– 25.40 | 15 | ![]() ![]() | Access to Northwest Health Center | |
16.44– 16.91 | 26.46– 27.21 | 16 | Yale Street / North Main Street | Signed as exits 16A (Yale Street) and 16B (North Main Street) eastbound (clockwise) | |
17.46 | 28.10 | 17A | Airline Drive | Eastbound (clockwise) exit and westbound (counterclockwise) entrance | |
17.88 | 28.78 | 17 | ![]() ![]() | Signed 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 | 18 | Irvington Boulevard / Fulton Street | ||
19.28– 19.91 | 31.03– 32.04 | 19A | Hardy Street / Jensen Drive | Eastbound (clockwise) exit and westbound (counterclockwise) entrance | |
19.21– 19.37 | 30.92– 31.17 | 19B | ![]() ![]() | ||
20.31 | 32.69 | 20 | ![]() ![]() | I-69/US 59 exit 134 northbound, 135A-B southbound; signed as exits 20A (north) & 20B (south) westbound (counterclockwise) | |
20.77 | 33.43 | 20C | Hirsch Road | no direct eastbound (clockwise) exit (signed at exit 21) | |
21.45 | 34.52 | 21 | ![]() | Access to Lyndon B. Johnson General Hospital | |
22.05– 22.40 | 35.49– 36.05 | 22 | Homestead Road / Kelley Street | ||
23.09 | 37.16 | 23A | Kirkpatrick Boulevard | ||
23.49– 23.75 | 37.80– 38.22 | 23B | North Wayside Drive / Liberty Road | ||
24.44– 24.86 | 39.33– 40.01 | 24 | ![]() ![]() ![]() | Signed as exits 24A (US 90 Bus.) and 24B (Wallisville Road) northbound (counterclockwise) | |
25.40 | 40.88 | 25 | Gellhorn Drive | Southbound (clockwise) exit and northbound (counterclockwise) entrance | |
26.03 | 41.89 | 26A | ![]() | I-10 exit 775A; no access from I-610 south (clockwise) to US 90 east or US 90 west to I-610 north (counterclockwise) | |
26.46 | 42.58 | 26B | Market Street | Northbound (counterclockwise) exit and southbound (clockwise) entrance | |
27.21 | 43.79 | 27 | Turning Basin Drive | No northbound (counterclockwise) exit | |
28.62 | 46.06 | 28 | Clinton Drive | ||
28.96 | 46.61 | 29 | Port of Houston Main Entrance | ||
30.00 | 48.28 | 30A | Manchester Street / 92nd Street | Southbound (clockwise) exit and northbound (counterclockwise) entrance | |
30.62 | 49.28 | 30B-C | ![]() | Signed as exits 30B (east) and 30C (west) | |
30.88 | 49.70 | 30D | Lawndale Avenue / Broadway Boulevard North | No direct southbound (clockwise) exit (signed at exit 30D) | |
31.43 | 50.58 | 31 | Broadway Boulevard South | ||
32.19– 32.38 | 51.80– 52.11 | 32 | ![]() ![]() ![]() ![]() | 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 | 33 | Woodridge Drive / Telephone Road | ||
34.08– 34.29 | 54.85– 55.18 | 34A | South Wayside Drive / Long Drive | ||
34.95– 35.53 | 56.25– 57.18 | 35 | Crestmont Street / M.L. King Boulevard / Mykawa Road | ||
36.05– 36.13 | 58.02– 58.15 | 36A | Calais Road / Holmes Road / Cullen Boulevard / M.L. King Boulevard | ||
36.49 | 58.72 | 36B | ![]() | No direct westbound (clockwise) exit (signed at exit 36A); former FM 518 | |
37.14 | 59.77 | 37 | Scott Street | ||
38.00 0.00 | 61.16 0.00 | 38A | ![]() ![]() ![]() | Eastbound ramp to SH 288 closed until October 2024, access is via IH 610 westbound only | |
1.000 mi = 1.609 km; 1.000 km = 0.621 mi |
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