Crews would work over the weekend and on Monday. She expected the road to re-open to two-way traffic late on Monday afternoon.
''Our crews will be working on the road so we ask motorists to drive with care, be vigilant, and keep to the temporary speed limit to ensure the safety of all road users,'' Hori-Hoult said.
While SH11 was closed motorists had to use the alternative route via State Highways 1, 10 and 11, adding to an extra 30 minutes for the journey between Kawakawa and Paihia.
Last week the road closed on Sunday from 8am to 5pm to remove the remaining trees and install a culvert.
Work has been underway to clear the road and stabilise the hillside after heavy rain from ex-tropical Cyclone Fehi brought down a massive slip on February 13.