On each occasion, work will begin at 10pm Friday and end 5am Monday, and motorists will be diverted via A10, A414 and A1184.
"The current low level of international travel means airport services will not be not running when we start with our initial limited timetable."
Cycling UK launched Pothole Watch Week and revealed that of the cases dealt with by its legal service, 15% were due to road defects.
Proposed 'demand responsive transport' scheme to improve connections between rural areas and town centres will focus on Buntingford.
Officers on quad bikes and on foot carried out daily 4pm-11pm "reassurance patrols" after new reports of windscreens of bypass cars being hit.
Campaigners are demanding that the half-finished pedestrian crossing project be finished to improve road safety in Lower Street.
Relocation of Roman snails held up work on the £30m bypass and flood alleviation scheme.
Residents met highways officers and councillors to look at ways of stopping HGVs from ignoring weight restrictions on Grove Hill.
The project will serve residents of the new 750-home Bishop's Stortford South estate, St James' Park.
The stretch between the Tesco and Stansted Road roundabouts will be closed for several days and traffic diverted through the town centre.
The incident happened on the northbound carriageway between junctions 6 (M25) and 7 (Harlow).
Essex Highways is due to meet a landowner on site to discuss ditch clearance to prevent further flooding of the main B1383.
Residents say flooded B1383 closure is down to poor maintenance of blocked drains and not the River Cam bursting its banks, as county council says.
Week-night work to renew lighting to begin Monday December 14 and end in mid-April, with a break over Christmas and New Year.
The measures are part of a drive to make travel safer over the festive period as families take advantage of an easing of Covid-19 restrictions.