All lanes of Interstate 35E in Dallas will be closed in both directions at Illinois Avenue starting at 9 p.m. Saturday.
I-35E traffic will be diverted onto the frontage roads, while crews remove part of the Illinois Avenue overpass.
The highway is expected to reopen Sunday by 3 p.m.
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The construction is part of the Southern Gateway Project, which will rebuild and widen I-35E south of Downtown Dallas, as well as widen U.S. Highway 67. The project is expected to be finished in late 2021.