"Anyone attempting to travel across the regional boundaries separating alert level 4 and alert level 3 areas, should expect to be stopped and asked for proof of essential travel," he said.
Although Northland remains at alert level 4, Police continue to operate three checkpoints in the region.
Those locations are:
• SH1 intersection with SH12 • Mountain Road, Kaiwaka • Cove Rd, by Bream Tail Rd
Coster said Police are anticipating delays during peak times and are warning motorists to be prepared and be patient.
While majority of the country will move down an alert level, Coaster is asking the public to continue to limit movement.
If Northland does move alert levels on Thursday night, Police will have five different checkpoints set up in the region.
Those locations are:
• SH1/Mangawhai Rd (Twin Coast Discovery Highway) • Mangawhai Rd north of Coal Hill Rd • Black Swamp, west of Rako Rd • Mangawhai Rd and Cames Rd • Mangawhai Rd and Ryan Rd Note: Mangawhai Rd also known as Twin Coast Discovery Highway