A crash on the M4 left one lane closed and traffic queuing at rush hour.
Delays have been building on the M4 between junction 19 with the M32 and junction 20 at the Almondsbury Interchange on Monday 25 September.
All lanes have now reopened.
Traffic monitoring site Inrix says: "Queueing traffic due to earlier accident on M4 Westbound from J19 M32 (Bristol) to J20 M5 J15 (Almondsbury Interchange). All lanes have been re-opened."