Contractors have been working overnight to resolve technical issues that have once again delayed the completion of the upgrade of a key junction on the outskirts of Bishop’s Stortford. Essex County Council told the Indie the scheme being carried out by John Sisk & Son to upgrade junction 8 of the M11, which included replacing the roundabout at the intersection of the A120 with Birchanger Lane and Dunmow Road with a signalised junction, would be fully open on Thursday (June 13). But with long-suffering residents ready to finally put the bunting out in celebration after several dates missed, the…