A measure would raise the speed limit on multi-lane highways in rural areas from 70 to 75 mph.
The change to an interstate means eliminating all intersections and cross roads along the 180-mile stretch.
Work will create fifth traffic lane in each direction, reducing congestion.
I-44, I-64 and I-270 will all be impacted by construction.
Eliminating Dunn Rd. cross-overs high on list of needed improvements.
MO House struck down measure Wednesday.
Begins at 4 pm at Lodge of Des Peres.
38-year-old woman found dead near I-70, Kingshighway.
St. Charles officials expect casino, business revenue to drop.
The jumper is in critical condition, several other people were taken to a local hospital in serious condition.