Member for Noosa Sandy Bolton said work was scheduled to start early next year.
The work includes reducing the speed limit to 40km/h and providing on-road cycle lanes and pedestrian refuges.
Ms Bolton said preliminary works in May.
A council project update said final designs and layouts would be available early next year.
“Council looks forward to delivering an improved Noosa Pde that is safer for residents and all users, and will contact affected residents and businesses early in 2021,” the update said.
“Noosa Pde forms part of the SEQ Principal Cycle Network and is arguably one of Noosa’s busiest routes for pedestrian and cyclist activity.