Essex Police says it has recovered a silver MG car as part of its inquiries.
Essex Police appeal for information about a silver MG after a man was found dead in Hertfordshire.
The work at Sawbridgeworth, Cheshunt and Broxbourne stations is happening on Saturday and Sunday.
BBC finds many people who paid over the odds for locksmith work also experience threats.
The anti-clockwise carriageway in Essex is closed for roughly three hours.
Greater Anglia is among the operators making changes and adding extra carriages from this weekend.
A councillor says "nothing has changed" and the authority will be continuing to pursue action.
National Highways says there are delays of up to 30 minutes in the area.
Broxbourne Borough Council says use of the hotel is putting too much pressure on services.
