COMMUTERS are facing service delays or cancellations on the rail network.
Greater Anglia has reported a line problem between Witham and Colchester which has been caused by signal problems.
Train services running through these stations may be cancelled or delayed by up to 30 minutes at short notice.
On the roads motorists have been warned to expect icy patches this morning.
The Met Office has issued a yellow warning of snow for East Anglia with temperatures only set to reach a maximum of 4C (39F).
Forecasters are expecting between 1-3cm of snow with most showers going over Norfolk.
Early frost should clear with the sun breaking through for a time until becoming cloudy in the afternoon.
Suffolk police has said there are no major incidents on the roads.
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