Rep. Adam Niemerg (R-Dieterich), left, and Sen. Chapin Rose (R-Mahomet), right, speak at a news conference in Montrose, Illinois on Friday. [Blue Room Stream] 

Three weeks after a truck crash and ammonia leak killed five people and injured five others in Teutopolis, located near Effingham, local lawmakers have filed legislation they hope will keep drivers detouring around crashes inside construction zones safer.