Operating a Reliable Transportation System - Ch. 4

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Interstate 270 and Interstate 44 interchange aerial photo

Reliability on Major Routes -4a

Understanding travel time trends in major cities like Kansas City and St. Louis helps commuters plan their trips more effectively.

4th Quarter 2025
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Cost and Impact of Traffic Congestion-4b

Recurring congestion happens at predictable times, though traffic jams may vary from day to day.

4th Quarter 2025
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Truck Cleaning roadway

Average Time to Clear Traffic Incidents -4c

A traffic incident is an unexpected event that obstructs travel lanes and temporarily limits roadway capacity. Rapid incident clearance is critical for restoring normal traffic flow on the highway system.

4th Quarter 2025
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an incident response worker sets cones

Unplanned Incident Impacts on Major Interstate Routes -4d

Interstates serve as the vital arteries of America, keeping people and commerce moving. When Missouri’s interstates shut down, it’s like cutting the nation in half.

4th Quarter 2025
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Work Zone Delays to the Traveling Public -4e

Drivers want to move through work zones with minimal delay and disruption.

4th Quarter 2025
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truck plowing snow

Time to Meet Winter Storm Event Performance Objectives and Winter Severity Index - 4f

Knowing how long it takes to clear roads after a winter storm helps MoDOT analyze the costs associated with these efforts. The department’s response to winter events ensures reliable service for the traveling public while keeping expenses as low as possible.

4th Quarter 2025