A two-vehicle accident south of 19th Street and Haskell sent three people to the hospital around 11:15 a.m. today.
Police said the driver of a southbound black Ford pickup truck drifted into the northbound lanes of Haskell, hitting a car head-on.
Both drivers and the passenger of the car were transported to Lawrence Memorial Hospital.
Witnesses said the truck was swerving several blocks before the crash.
The cause of the accident is under investigation, police said.