CALLAWAY COUNTY — The Missouri State Highway Patrol is trying to reduce crashes on Interstate 70 in the Callaway County work zone — using aircraft.

The Highway Patrol used planes on Tuesday in addition to patrol vehicles to enforce speed limits, a strategy the Aircraft Division uses on all major interstates and highways in Troop F, which encompasses much of mid-Missouri.

The Highway Patrol decided to use the strategy in the Callaway County work zone on I-70 following complaints of speeding in the work zone, where the speed limit is 55 mph, and frustration over crashes in the construction zone .

The Missouri Department of Transportation is expanding I-70 between Columbia and Kingdom City to include a third lane in each direction, a multi-year project that will eventually add a third la

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