** UPDATE **⌚️17:10

The #A720 W/B at Lothianburn remains closed following an earlier RTC. Debris is strewn all over the carriageway.

Traffic is being diverted via the earlier off slips and is extremely busy.@SETrunkRoads @edintravel pic.twitter.com/WmcIfIellb

— Traffic Scotland (@trafficscotland) December 10, 2020