The Christchurch northern corridor has partially opened today.
The new motorway from Cranford St to near the Waimakariri River Bridge will be open to traffic for an initial period of two weeks.
NZTA spokeswoman Frances Adank said the northbound QEII Drive lane of the motorway opened this morning.
The Cranford St end will open at 9.30am and on the south side of the Waimakariri Bridge at 10am.