The M49 will be fully closed overnight.
It will be closed from 8pm tonight (Monday, November 19) until 6am tomorrow.
This is to install speed cameras as part of traffic management.
A diversion is in place but drivers should allow extra time for their journey.
Construction of the new M49 junction began this summer and is due to be completed by December 2019.
For more information go to highwaysengland.co.uk/projects/m49-avonmouth-junction.
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