SH29 to be closed for weekend work at Ruahihi Bluffs west of Tauranga from 23 June 14 June 2012 12:00 am | NZ Transport Agency The New Zealand Transport Agency (NZTA) is advising motorists to use alternative routes to State Highway 29 over the Kaimais later this month while maintenance and safety works are carried out on the Bay of Plenty side of the highway.