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Interstate 359

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Interstate 359 marker

Interstate 359
I-359 highlighted in red
Route information
Auxiliary route of I-59
Maintained by ALDOT
Length2.76 mi[2] (4.44 km)
ExistedSeptember 13, 1983[1]–present
Major junctions
South end I-20 / I-59 / US 11 / SR 69 in Tuscaloosa
North end US 11 / US 43 / SR 69 in Tuscaloosa
Highway system
  • Alabama Highways
US 331SR 378

Interstate 359 (I-359) is a part of the Interstate Highway System in the US state of Alabama. It is a spur route that runs for 2.76 miles (4.44 km) entirely within the city limits of Tuscaloosa. Its termini are just south of I-20/I-59 interchange on the south side of town and U.S. Highway 43 (US 43) in downtown Tuscaloosa. The entire length is concurrent with U.S. Highway 11 (US 11) and Alabama State Route 69 (SR 69), with both continuing as at grade thoroughfares north and south of the shorter Interstate.

Route description[edit]

Three green signs are located above an elevated portion of roadway with no traffic visible on a cloudy day.
I-359 northbound at exit 2

I-359 begins just south of the I-20/59 interchange at the western terminus of Skyland Boulevard (US 11, SR 7) and SR 69.[3] From this point the route travels in a northerly direction where it meets Interstate 20/59 at a partial cloverleaf interchange.[3] The route reaches its first exit at 35th Street in a half cloverleaf configuration, which provides access to the University of Alabama.[4][5] I-359 then continues in a northerly direction paralleling Greensboro Avenue to its northern terminus just north of 15th Street where the limited access freeway transitions into an at grade thoroughfare as it enters downtown Tuscaloosa.[6]

From its crossing of the Alabama Great Southern Railroad (AGS) through the northern terminus, the highway in its entirety is elevated along a continuous bridge span.[4] I-359 also features a wrong-way concurrency for its entire duration with travel from downtown Tuscaloosa being signed as both I-359 and SR 69 south and US 11 north,[7] and with travel from the south being signed both I-359 and SR 69 north and US 11 south.[8]


A map illustrating the conceptual north-south route of I-359 from I-59 into the city of Tuscaloosa.
Planning map for the Tuscaloosa area freeways from 1955

In the early 1960s, local planners and elected officials stated the need for direct access to Interstate 59 from the city of Tuscaloosa.[9] As annexation had not yet brought the city limits to the I-59 corridor, Interstate 359 was originally to be the only access provided to I-59 directly from Tuscaloosa. The route, as originally envisioned, was to have no exits for the duration of its route between its southern terminus at I-59 and its northern terminus at 15th Street in downtown Tuscaloosa.[9]

Actual planning for I-359 commenced in 1961,[1] and by 1971, the Alabama Department of Transportation (ALDOT) announced that federal funding would be sought for its construction.[10] Planning for the corridor continued throughout the 1970s, only to stall briefly due to complications with the required environmental impact assessment associated with the project.[11] By 1976, it was announced I-359 would have an exit both at 35th Street and 15th Street to improve access to both the University of Alabama and Stillman College.[11]

In 1977, ALDOT publicly unveiled the final routing of the route and presented it at a series of public meetings in August 1977.[12] The selected route resulted in the slight relocation of 35th Street, the construction of a bridge along 31st Street over the freeway and the construction of a continuous viaduct along the final leg of the freeway through its 15th Street junction.[12] Plans were also unveiled to add an additional travel lane in each direction along I-20/59 between its junction with I-359 and McFarland Boulevard.[12]

Following the acquisition of the necessary right-of-way, phasing of the project was released in June 1979.[13] The first phase included the completion of the interchange at I-20/59 and lane expansion; the second phase included the segment between I-20/59 and the AGS railroad crossing; and the third phase included the elevated segment through the northern terminus in downtown Tuscaloosa.[13] Construction would commence in 1980 on the first phase, with the bid for the second phase setting a then-record for cost for a Tuscaloosa road project at $11,884,450.[14] As construction was wrapping up on phase two, phase three of the project again set a record cost at $17.4 million in January 1982.[15] The phase included the completion of the viaduct section of the freeway, constructed at an average elevation of 22 feet (6.7 m) above grade.[15] The first segment of I-359 opened to traffic in October 1982 between I-20/59 and Exit 1.[16] Costing $41 million at completion, I-359 was officially dedicated and opened for traffic on September 13, 1983.[1]

Exit list[edit]

The entire route is in Tuscaloosa, Tuscaloosa County.

0.000.00 US 11 north / SR 69 south (SR 7 north) – Moundville, EutawSouthbound exit and northbound entrance; southern terminus; southern end of US 11/SR 7 concurrency
0.390.630 I-20 / I-59 – Birmingham, MeridianSigned as exits 0A (east/north) & 0B (west/south) northbound; I-20/59 exits 71A-B; parclo interchange
1.051.69135th Street – University of Alabama / Kawloosa Avenue
2.594.172 US 11 south / US 43 south (15th Street / SR 7 south / SR 13 south) – Stillman CollegeNorthern end of US 11/SR 7 concurrency
2.764.44 US 43 north / SR 69 north (SR 13 north) – NorthportNorthbound exit and southbound entrance; northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]


  1. ^ a b c Watkins, Ed (September 14, 1982). "Opening of I-359 applauded". The Tuscaloosa News. p. 1A.
  2. ^ a b Official Highway Map (Map) (2007-2008 ed.). Alabama Department of Transportation.
  3. ^ a b Google Maps street maps and USGS topographic maps, accessed April 14, 2010 via ACME Mapper
  4. ^ a b Watkins, Ed (July 31, 1977). "Connector hearing slated". The Tuscaloosa News. p. 3A.
  5. ^ Google (April 14, 2010). "Interstate 359/Exit 1 interchange" (Map). Google Maps. Google. Retrieved April 14, 2010.
  6. ^ Google (April 14, 2010). "Interstate 359/Exit 2 interchange" (Map). Google Maps. Google. Retrieved April 14, 2010.
  7. ^ Google (April 14, 2010). "Wrong-way concurrency southbound" (Map). Google Maps. Google. Retrieved April 14, 2010.
  8. ^ Google (April 14, 2010). "Wrong-way concurrency northbound" (Map). Google Maps. Google. Retrieved April 14, 2010.
  9. ^ a b Mizell, James (April 8, 1962). "Major highway projects given top priority here". The Tuscaloosa News. p. 1.
  10. ^ Staff Reporters (January 14, 1971). "Local Interstate funds to be asked". The Tuscaloosa News. p. 17.
  11. ^ a b McKenzie, Mike (July 28, 1976). "Project progress reported". The Tuscaloosa News. p. 11.
  12. ^ a b c Watkins, Ed (June 26, 1977). "Hearing set on I-359 project". The Tuscaloosa News. p. 1.
  13. ^ a b Watkins, Ed (June 1, 1979). "Exchange briefed on I-359 project". The Tuscaloosa News. p. 2.
  14. ^ Watkins, Ed (June 26, 1980). "I-359 cost to be record". The Tuscaloosa News. p. 2.
  15. ^ a b Watkins, Ed (January 31, 1982). "Interstate highway project sets state record". The Tuscaloosa News. p. 2D.
  16. ^ Staff Reporters (October 22, 1982). "Football traffic routes". The Tuscaloosa News. p. 3.

External links[edit]

Route map:

KML is from Wikidata