A traffic signal off of Route 30 is malfunctioning. Police say the issue is expected to affect traffic and cause delays in the area.
"Ultimately on the downstream of this there will be improved mobility regionally, but it's going to take a bit of time to get there," said CTRMA.
The latest planning applications for Welwyn Hatfield and Potters Bar, taken from Welwyn Hatfield, Hertsmere and St Albans councils.
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