NZTA report this crash is now clear, but delays remain on SH1, back to the Paremata roundabout, and on SH58 by James Cook Drive.
A crash has blocked the two right hand southbound lanes of SH1 just after the Whitford Brown intersection between Porirua and Paremata.
Queues on SH1 are now back to Mana. There are also queues on SH58, nearing James Cook Drive.
NZTA advise motorists to please pass with care, and expect delays.