The road reopens more than 24 hours after the initial closure on Monday night.
Part of the road needs to be resurfaced, says National Highways.
More than 350 of these wooden dams will be built on the waterways in Epping Forest.
Magistrates hear how ex-England striker Andy Carroll took footage at The Bell Hotel while at the wheel.
Essex Police is urging anyone who might have more information to come forward.
Police question a 16-year-old boy over the incident, which left one cyclist seriously injured.
Essex Police says a man has been arrested in connection with the incident.
The collision involved two cyclists and two moped riders in Theydon Garnon on Sunday.
Essex Police says Lamborghinis, Rolls Royces and a Maserati held up traffic to stage races.
