Abellio Greater Anglia
There are delays of up to 10 minutes to mainline rail services to London following a fault with the signalling system.
The problem is affecting services between Chelmsford and Shenfield.
Minor delays to rail services caused by signalling problems
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here