Press Release – NZTA The summer construction season for road maintenance on Southland state highways is well underway and will continue until late March 2021, says Waka Kotahi NZ Transport Agency. The programme includes road reconstructions and resurfacing. Slow down around … The summer construction season for road maintenance on Southland state highways is well underway and will continue until late March 2021, says Waka Kotahi NZ Transport Agency. The programme includes road reconstructions and resurfacing. Slow down around Gap Road and SH6, south of Winton “The first job in the New Year will be the overlay of SH6 at Gap Road south of Winton,” says Justin Reid, Maintenance Contract Manager for Waka Kotahi in Southland. “The drainage and preparation work was completed in November. Until we restart in the New Year, road surfaces like this can be affected by the summer heat with flushing (shown as a shiny, black surface on the highway) and less traction for drivers, so please slow down and observe the posted speed limits which are in place for the safety of everyone.”