CHAMPAIGN — The Illinois Department of Transportation announces that the posted speed limit along Interstate 74 from west of I-57 to
IDOT recently completed a speed study on I-74 and I-57 in the Champaign-Urbana area and concluded that given the current prevailing speeds, crash rates and
IDOT routinely reviews all state-maintained routes to determine whether any low-cost safety improvements can be made, including speed limits, striping, signal timing and roadside hazards.
Speed is a significant factor in the severity of every crash, and the interaction between higher speed through traffic on an interstate with lower-speed traffic entering or exiting at interchanges was shown to be an issue. Reducing the speed limit of through traffic to closer to that of traffic
from interchanges gives drivers more time to react, thereby reducing the severity of a crash or avoiding one altogether.