Crash on Auckland's southern motorway, drivers asked to take another route 28 Apr, 2021 03:00 AM Quick Read A crash is blocking the centre northbound lane prior to the Khyber Pass off-ramp on Southern motorway. Photo: NZ Transport Agency (NZTA) A crash is blocking the centre northbound lane prior to the Khyber Pass off-ramp on Southern motorway. Photo: NZ Transport Agency (NZTA) NZ Herald A crash between a bus and a truck has caused congestion on Auckland's Southern motorway. Around 2.25pm NZTA said a crash was blocking the centre northbound lane prior to the Khyber Pass off-ramp, causing delays from Mount Wellington to Khyber Pass Rd.