Motorists are being advised to avoid an area of Hitchin where delays have been reported due to a road closure.
A section of the B656 London Road is currently closed due to roadworks.
Mill Lane is also closed due to gas main work on Mill Lane, both ways, from Hitchin Road to the B656 London Road.
Delays on the A602 Stevenage Road have been reported.
Hertfordshire Highways is advising motorists to avoid the area.
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