Three cars were involved in a collision on the A421 Standing Way, Milton Keynes, this morning.
Emergency services were called to the scene at the junction of Beanhill at 11.15am.
One woman suffered minor injuries in the incident involving a blue Citroën, silver Vauxhall Corsa and black Nissan Micra.
Two other people were treated by South Central Ambulance service which was passing by and stopped to help at 11.37am.
No one required hospital treatment.
Thames Valley Police arrived to control traffic, but the road was not fully closed. They left the scene at 11.55am.