The corridor wall will run from the Bryn Mawr stop to Interstate 94.
Construction crews are having to make alternative plans in the disputed Kenilworth corridor.
The $928.8 million funding grant will pay for the completion of the Green Line Light Rail Extension.
The highway will close Saturday morning and reopen Tuesday morning.
The Metropolitan Council is hopeful Congress will award the nearly $929 million grant.
The path is tucked between Cedar Lake and Lake of the Isles.
She wants the Met Council to cut costs and redo the bidding