The Mississippi Export Railroad (MSE) is a 42-mile shortline railroad operating in the state of Mississippi from Pascagoula to . It is the north-south corridor connecting to the Canadian National and the east-west line of CSX in Pascagoula. MSE also connects to the NS in Mobile, AL, and Hattiesburg, MS and KCS in Jackson, MS, through haulage agreements. The MSE also has access to the and the through reciprocal switch. These connections and alliances link the Gulf of Mexico to all points of the continent.