The motorcyclist, who was not publicly identified, was driving eastbound on Gardner Avenue when they collided with a tractor-trailer truck turning left onto westbound Gardner Avenue, Kansas City ...

The tractor-trailer had been turning from Monsanto Avenue onto Mississippi, Jones said. Trice said police had not yet begun to chase the truck on Mississippi when it crashed.

The truck continued speeding, and police said it was near the Monsanto Avenue intersection when the driver ran a red light and hit the back of a tractor-trailer that was turning onto southbound ...