A truck laden with a 40ft container lost control at Molete, Ibadan, Oyo State on Friday, killed an unidentified woman and injured others.
A witness said the tragedy occurred at about 8 am under the Molete flyover after the brake of the trailer failed.
The corpse of the victim has been moved to a morgue by the police.
About three buses and four tricycles were reportedly damaged during the accident.
The Oyo State Sector Commander of the Federal Road Safety Corps (FRSC), Cecelia Alao, confirmed the incident.