IDOT Transforms I-57 With $325M Expansion

IDOT is expanding I-57 in southern Illinois with a $325M project to add lanes, improve safety and support freight traffic. Stretching nearly 37 miles from Marion to Mt. Vernon, the upgrade includes bridges, drainage and interchange reconstruction, enhancing a key corridor linking major interstates and boosting regional economic growth....

IDOT is expanding I-57 in southern Illinois with a $325M project to add lanes, improve safety and support freight traffic. Stretching nearly 37 miles from Marion to Mt. Vernon, the upgrade includes bridges, drainage and interchange reconstruction, enhancing a key corridor linking major interstates and boosting regional economic growth....