The Gulf-to-Appalachia Connector (I-59) Road Conditions & Traffic

01 Route overview

Interstate 59 runs 445 miles from Slidell, Louisiana to Wildwood, Georgia (just south of Chattanooga), connecting the Gulf Coast to the southern Appalachians and the I-24 / I-75 corridor. The route is concurrent with I-20 across most of central Alabama, doubling as the principal Birmingham approach from the south.

For freight, I-59 is a critical corridor for Gulf-to-Midwest traffic that bypasses Atlanta. Container drayage from the Port of Mobile and the Port of New Orleans uses I-59 to reach the Tennessee Valley, the Appalachian basin, and onward to Detroit and the Great Lakes via I-75.

Geographically I-59 crosses the Gulf coastal plain, climbs the southern Appalachian foothills, and threads the Lookout Mountain area near Chattanooga. Weather hazards include hurricane evacuations from coastal Louisiana and Mississippi, Dixie Alley spring tornadoes, and the occasional ice event in the Birmingham area.

Crosses four states: LA, MS, AL, GA
Concurrent with I-20 across central Alabama (Birmingham approach)
Connects Gulf Coast ports to the Tennessee Valley and Great Lakes via I-24 / I-75
Designated hurricane evacuation route from coastal Louisiana
Toll-free across its entire 445-mile length
Northern terminus at I-24 in Wildwood, GA
Southern terminus at I-10 in Slidell, LA

02 Key cities & junctions

State	Mile	City / Junction
LA	MM 0	Slidell (I-10/I-12 jct)
MS	MM 4	Pearl River line
MS	MM 35	Hattiesburg (I-98 area access)
MS	MM 95	Laurel
MS	MM 154	Meridian (I-20 jct)
AL	MM 1	Cuba line
AL	MM 67	Tuscaloosa (I-20/I-59 concurrent)
AL	MM 130	Birmingham (I-65/I-20 jct)
AL	MM 174	Gadsden
AL	MM 222	Fort Payne
GA	MM 1	Trenton line
GA	MM 19	Wildwood (I-24 jct)

04 Notable hazards & trouble spots

Hazard

Concurrent interstate, frequent incident closures

Birmingham I-59 / I-20 / I-65 stack (MM 130 AL)

I-59 and I-20 share pavement through downtown Birmingham. The elevated section is narrow with tight curves. Any incident on the bridge spreads queues across both interstates. ALDOT publishes real-time alerts.

Hazard

Mandatory northbound contraflow during major hurricanes

Hurricane evacuation routing (MM 0-154)

When a major hurricane threatens the Louisiana or Mississippi coasts, the southbound lanes of I-59 are reversed to send all traffic north away from the Gulf. Trucks face long delays. Monitor 511 Louisiana and Mississippi DOT.

Hazard

Severe weather corridor

Dixie Alley spring storms (MM 0-222)

I-59 across Mississippi and Alabama runs through Dixie Alley, where nighttime tornadoes and damaging hail are routine March through May. Park under solid shelter when warnings are active.

Hazard

Mountain segment with fog and ice

Lookout Mountain area, AL/GA (MM 222 AL - 19 GA)

I-59 threads the Lookout Mountain area near the Alabama-Georgia border. Sudden valley fog and occasional winter ice events. ALDOT and GDOT publish real-time conditions.

05 Active incidents (7)

CONSTRUCTION AL

Planned Roadway Improvements

I-59 NB @ MP 137 to MP 142.06

CONSTRUCTION MS

Road Work : US 49 between I-59 N and US 11 N / Broadway Dr N - Expect delays

US 49 between I-59 N and US 11 N / Broadway Dr N

CONSTRUCTION MS

Road Work : I-59 between US 84 E / Chantilly St EX 97 and US 11 / Laurel EX 99 - Left lane closed

I-59 between US 84 E / Chantilly St EX 97 and US 11 / Laurel EX 99

CONSTRUCTION MS

Road Work : I-59 at MS 528 / Heidelberg / Bay Springs EX 113 - Expect delays

I-59 at MS 528 / Heidelberg / Bay Springs EX 113

CONSTRUCTION MS

Road Work : I-59 between US 49 S / Hattiesburg EX 67A and Moselle Rd EX 80 - Expect delays

I-59 between US 49 S / Hattiesburg EX 67A and Moselle Rd EX 80

CONSTRUCTION AL

Planned Roadway Improvements

I-59 NB/SB @ MP 194.71 to MP 204.5

CONSTRUCTION AL

Planned Roadway Improvements

I-59 NB/SB @ MP 225.6 to MP 241.7

06 Active weather alerts

No active NWS weather alerts intersecting Interstate 59.

07 FAQ

How long does it take to drive I-59 end to end?

A passenger car can cover the 445 miles in about 7 hours of driving time. Commercial drivers respecting hours-of-service rules typically complete the route in a single day with chronic delays through Birmingham.

Is I-59 a toll road?

No. I-59 is toll-free for its entire 445-mile length.

Why does I-59 share pavement with I-20?

I-59 and I-20 run concurrently for about 60 miles across central Alabama between Tuscaloosa and Birmingham. The shared segment dates to the original interstate design, which used a single pavement to traverse the most direct route between the two metros.

What major cities does I-59 connect?

I-59 directly serves Slidell, Hattiesburg, Meridian, Tuscaloosa, Birmingham, Gadsden, and ends at I-24 just south of Chattanooga.

I-59 — The Gulf-to-Appalachia Connector

Concurrent interstate, frequent incident closures

Mandatory northbound contraflow during major hurricanes

Severe weather corridor

Mountain segment with fog and ice

Interstate 59 Live Map