Lanes on State Highway 1 northbound near Horsham Downs are blocked following a motorcycle crash. 

The incident was reported around 12.15pm. 

The Waikato Expressway near Whangamarino, between the Rodda Road on-ramp and the Hampton Downs off-ramp, has now reopened after the earlier serious crash. 

Emergency services are at the scene of a serious single-vehicle crash on the Waikato Expressway near Whangamarino, northbound, between the Rodda Road on-ramp and the Hampton Downs off-ramp.… More