A joint venture will add a third lane each way on 44 miles of I-70, with construction starting in 2027.

V&S Railway and America's Central Port will split federal grants to rebuild aging track and shore up rail access to Class One carriers.

The westbound span over the Mississippi opens Monday, finally giving drivers room to pull over in a crash.

A standalone pedestrian bridge over Peruque Creek is part of new safety upgrades planned for Wentzville-area drivers, cyclists and walkers.

New rules would set helmet and age limits for young riders, with Webster Groves aiming for a final council vote on Nov. 17.

City leaders are eyeing a decade-long fix for aging pipes and lead lines, but no rate hikes or bond vote are set yet.

Wentzville residents are told to boil tap water for three minutes while crews finish a major pipe connection.

Evansville Western Railway will replace rail, add safety detectors, and rehab 12 locomotives along its 124.5-mile route.

A decades-old tree will anchor the redesigned MetroBus stop at Memorial Hospital, with construction eyed for early 2027.

Two autonomous TugVolt railcars will roll on COLT's Columbia-to-Centralia line, starting with remote-controlled switching downtown.

Ameren Illinois is building a new switching station near Granite City Works as part of a yearlong, $20 million grid upgrade.

Crews have milled part of the long-battered North St. Louis corridor, with nine side streets also getting repaved this month.

Transportation Secretary Sean Duffy and Sen. Eric Schmitt pitched a $30 billion aviation bill at Lambert, calling it one of the neediest airports in the country.