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Interstate 59 shield
Interstate 59
Main route of the Interstate Highway System
Length: 182.716 mi[1] (294 km)
Formed: 1957 (received official route number; MS section proposed as early as 1939)
South end: I-59.svg I-59 at Louisiana state line
File:MS 26.svg MS 26 in Poplarville, MS
US 98.svg US 98 in Hattiesburg, MS
US 49.svg US 49 in Hattiesburg
US 84.svgNo image.svgCircle sign 15.svg US 84/MS 15 in Laurel, MS
I-20.svgNo image.svgUS 80.svg I-20/US 80 near Meridian, MS
US 45.svg US 45 in Meridian, MS
North end: I-59.svgNo image.svgI-20.svg I-59/I-20 at the Alabama line

In the U.S. state of Mississippi, Interstate 59 traverses mainly rural areas, but does go through or bypass Picayune, Hattiesburg, Laurel and Meridian.

Between the towns of Pearl River and Picayune, U.S. Route 11 overlaps I-59. The highway sees several more concurrencies: with U.S. Route 98 in Hattiesburg, U.S. Route 84 and Mississippi Highway 15 in Laurel, and U.S. Route 80, U.S. 11 and Mississippi Highway 19 in the Meridian area.

Also in the Meridian area, I-59 is joined by Interstate 20 and the two are conjoined until they reach Birmingham, Alabama. The exit numbers default to I-59's.

The Laurel S-Curve

In the town of Laurel, between 16th and 4th Avenues, exists a dangerous feature rarely seen on an Interstate Highway: a very sharp curve in one direction followed immediately by an equally sharp curve in the other. A construction project is currently underway to replace this segment of interstate highway, with completion expected in August 2009.

Planned in 1955 as a freeway upgrade of U.S. Route 11, the road was re-designated Interstate 59 during its original construction. It was thus designed without thought to its potential use within the interstate system. Myriad problems became apparent quickly after the highway opened — as Interstate 59 - in 1961. Along a particular segment of the highway which includes the S-curve, bridges are very narrow, clearances very low and there are no shoulders. On- and off-ramps feature tight curves with little to no merging space. At the southernmost tip of the S-curve lies the 16th Avenue cloverleaf, which adds weaving issues to this toxic mix of freeway dangers. Some of these problems violated interstate specifications even before the roadway opened; finally most of the problems are being addressed with the S-curve relocation project, but remarkably there are no plans to replace or modify 16th Avenue's full cloverleaf interchange.

The Laurel stretch of I-59 has long been notable for another reason related to the S-curve: a 40 mph (60 km/h) speed limit, among the lowest anywhere posted on a US Interstate Highway.

Further information about the Laurel S-curve Relocation Project can be found at the Mississippi Department of Transportation's website,

Exit list

County Location # Destinations Notes
Pearl River 1 US 11 north / MS 607 south – Nicholson, NASA-John C. Stennis Space Center
End I-59.svgNo image.svgUS 11.svg concurrency
Picayune 4 MS 43 south – South Picayune, Kiln MS 43 joins northbound and exits southbound.
6 MS 43North Picayune MS 43 leaves northbound and joins southbound.
10 Carriere
15 McNeill
19 Millard
27 MS 53 – Necaise, Poplarville
29 MS 26Wiggins, Poplarville MS 26 is at this point the eastern terminus of the Zachary Taylor Parkway.
35 Hillsdale Road
41 MS 13Lumberton
Lamar Purvis 51 MS 589Purvis
Forrest 59 US 98 east – Lucedale, Mobile
Begin I-59.svgNo image.svgUS 98.svg concurrency
Hattiesburg 60 US 11 south – South Hattiesburg
Lamar 65 US 98 west / Hardy Street – Columbia
End I-59.svgNo image.svgUS 98.svg concurrency
Forrest 67A US 49 south – Hattiesburg
67B US 49 north / MS 42 west – Jackson
Petal 69 MS 42 east / Evelyn Gandy Parkway – Petal
73 Monroe Road
Jones 76 Hattiesburg-Laurel Regional Airport
78 Sanford Road
80 Moselle
85 MS 590Ellisville, State School
Ellisville 88 MS 28 / MS 588Ellisville Exit to reach Jones County Junior College.
90 US 11 (Ellisville Boulevard)
Laurel 93 US 11South Laurel
95A South 16th Avenue
95B US 84 west / MS 15 west (N. 16th Avenue) U.S. 84 and MS 15 joins northbound and exits southbound.
95C Beacon Street Location of the "Laurel Curve" and 40 mph (64 km/h) speed limit. The curve is in the process of being straightened.
96A 4th Avenue, Masonite Road
96B MS 15 south (Cook Avenue) Exit to reach Richton.
97 US 84 east (Chantilly Street) – Waynesboro U.S. 84 leaves northbound and joins southbound.
99 US 11North Laurel
104 Sharon, Sandersville
Jasper Heidelburg 113 MS 528 – Heidelburg, Bay Springs
118 Vossburg, Paulding
Clarke 126 MS 18Pachuta, Quitman
134 MS 513 – South Enterprise, Rose Hill
137 North Enterprise, Stonewall
Lauderdale 142 Savoy
149 I-20 west / US 80 west – Jackson U.S. 80 is unsigned.
Begin I-59.svgNo image.svgI-20.svgNo image.svgUS 80.svg concurrency
Meridian 150 US 11 south / MS 19 north – Philadelphia, Meridian Airport
Begin I-59.svgNo image.svgI-20.svgNo image.svgUS 80.svgNo image.svgUS 11.svgNo image.svgCircle sign 19.svg concurrency
151 Valley Road, 49th Avenue
152 29th Avenue, Martin Luther King Jr. Drive
153 MS 145 south (22nd Avenue) – Downtown Meridian Exit to access Roebuck Drive.
154A MS 19 south  – Butler, AL
154B US 11 north / US 80 east / MS 39 north – DeKalb
End I-59.svgNo image.svgUS 80.svgNo image.svgUS 11.svgNo image.svgCircle sign 19.svg concurrency
157A US 45 south – Quitman
157B US 45 north – Macon
160 Russell
165 Toomsumba
169 US 11 / US 80 – Kewanee U.S. 11 and U.S. 80 are not marked on exit signs.


Browse numbered routes
< MS 57 MS US 61 >
Interstate 59
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