Interstate 310 (Mississippi)

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Future Interstate 310

I-310 corridor highlighted in red
Route information
Future routing of I-10
Maintained by MDOT
Length6 mi (9.7 km)
Major junctions
South end US 90 near the Port of Gulfport
North end I-10 in Gulfport
CountryUnited States
Highway system
MS 309 MS 310
MS 600MS 601 MS 602

Interstate 310 (I-310), also designated as Mississippi Highway 601 (MS 601), is a proposed auxiliary route of I-10 in Gulfport, Mississippi. It is planned to travel from US Highway 90 (US 90) near the Port of Gulfport to I-10. The route is part of the High Priority Corridor 100(B), Central Mississippi Corridor, as part of the I-14 extension project.

Route description

The road is planned to travel from I-10 in the northern part of the city south to US 90 near the Port of Gulfport and downtown Gulfport. Officials want the highway to be as close as possible to the port so it can be accessed easily.


The highway's designation was at first considered to be I-210, but, because the Interstate is going to the port and not going to connect back to I-10 forming a loop, the road was numbered I-310; I-110 was already taken in nearby Biloxi. The original state highway designation for the freeway was proposed as Mississippi Highway 977 (MS 977) but has since been changed to MS 601. The design of the highway began in 2005 and the right-of-way acquisitions started in 2006. This put the estimated completion date to 2012. Construction was supposedly started in 2008, but, as of 2020, construction had not started. The Mississippi Department of Transportation wanted the road to be an elevated freeway like its sister road, I-110.[1]

When the Infrastructure Investment and Jobs Act designated an extended future I-14 corridor that would encompass the original "14th Amendment Highway" and "Gulf Coast Strategic Highway" concepts, future I-310/MS 601 became part of the High Priority Corridor 100, the Central Mississippi Corridor, part B. The corridor would extend from the northern terminus of future I-310 northward following US 49 to US 98 near Hattiesburg, before heading northward on I-59 to Laurel.[2][3][4]


  1. ^ Interstate Guide. "Interstate 310 Mississippi". Retrieved June 27, 2021.
  2. ^ "Statutory Listing of Corridor Descriptions - High Priority Corridors - National Highway System - Planning - FHWA". Retrieved January 4, 2022.
  3. ^ DeFazio, Peter A. (November 15, 2021). "Text: H.R.3684, 117th Congress (2021-2022): Infrastructure Investment and Jobs Act". United States Congress. Retrieved January 4, 2022.
  4. ^ "Congress designates Interstate 14 across five states with I-14 corridor through San Angelo". Standard-Times. Retrieved 23 March 2023.

External links