Interstate 235 (abbreviated I-235) in Oklahoma is also known as the Centennial Expressway. The spur route of Interstate 35 is a 5.4-mile-long north–south spur route in central and north-central Oklahoma City. It connects northbound to U.S. Highway 77 on to suburban Edmond and southbound at Interstate 44 on to Interstate 35 and Interstate 40 at downtown Oklahoma City. U.S. Highway 77 is concurrent with I-235 for the entire route.[5] South of its junction with I-40, I-235 becomes Interstate 35.
[edit] Route description
I-235's route forms the eastern edge of the Bricktown Entertainment District in the eastern part of downtown Oklahoma City.
[edit] History
I-235 was part of the original plan for the Interstate Highway System, but was one of the last to be completed. Only 3.66 miles (5.89 km) were complete in 1978.[6] It finally opened in 1989.[7]
Interstate 235 in Oklahoma officially finished a major reconstruction in September 2008, which changed the section of I-235 between N.W. 50th Street on the North end and N.W. 23rd on the South end. It added a third lane and an exit lane, changing the two-lane stretch into four lanes.
[edit] Exit list
The entire route is in Oklahoma City, Oklahoma County.
| Mile |
# |
Destinations |
Notes |
| 0.00 |
|
 I-35 south (US-62 west, US-77 south) — Dallas |
Southbound exit and northbound entrance; south end of US-77 overlap |
|
1A |
  I-35 north / I-40 east / US-62 east (US-270 east) — Wichita, Fort Smith |
Southbound exit and northbound entrance |
|
1B |
I-40 west (US-270 west) — Amarillo |
Southbound exit and northbound entrance |
|
1C |
Sheridan Avenue west — Downtown |
Northbound exit and southbound entrance |
|
1D |
Lincoln Boulevard — Oklahoma Health Center, State Capitol |
Northbound exit and southbound entrance |
|
1E |
Harrison Avenue — Downtown |
Northbound exit and southbound entrance |
|
1F |
N. 6th Street west — Downtown |
Southbound exit and northbound entrance |
|
1G |
N. 10th Street — Oklahoma Health Center |
Southbound exit and northbound entrance |
|
2A |
N. 23rd Street, North Santa Fe Avenue |
Northbound exit and southbound entrance |
|
2B |
N. 23rd Street, Broadway Avenue — State Capitol |
Southbound exit and northbound entrance |
|
3 |
N. 36th Street |
Unmarked[5] |
|
4A |
Santa Fe Avenue, North 50th Street |
Unmarked[5] |
|
|
 I-44 (SH-66) |
|
|
|
 US-77 north (Broadway Extension) |
Northbound exit and southbound entrance; north end of US-77 overlap |
[edit] References
- ^ I-235 at Interstate-Guide.com
- ^ Route Log - Auxiliary Routes of the Eisenhower National System Of Interstate and Defense Highways - Table 2
- ^ Google, Inc. Google Maps – Interstate 235 (Oklahoma) (Map). Cartography by Google, Inc. http://maps.google.com/maps?q=Oklahoma+City,+OK,+USA&ie=UTF8&hq=&hnear=Oklahoma+City,+Oklahoma&ll=35.461229,-97.491174&spn=0.022022,0.055747&z=15. Retrieved 2010-07-09.
- ^ Google, Inc. Google Maps – Interstate 235 (Oklahoma) (Map). Cartography by Google, Inc. http://maps.google.com/maps?q=Oklahoma+City,+OK,+USA&ie=UTF8&ll=35.530061,-97.513447&spn=0.037789,0.088835&z=14. Retrieved 2008-06-07.
- ^ a b c Stuve, Eric (2004-02-14). "OKHighways.com -- Interstate 235". http://www.okhighways.com/i235.html. Retrieved 2010-07-09.
- ^ Interstate System Route Log and Finder List, FHWA, March 1978
- ^ Oglesby, Scott. 3-digit Interstates from I-35. Kurumi. URL accessed 29 January 2005.
[edit] External links
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_map.svg)
I-35 / I-40 / US-62 / US-77 / 
US 270 in Oklahoma City[3]
I-44 / US-77 / SH-66 in Oklahoma City[4].svg)
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