The routes include Teton Park Road and the Flagg-Ashton Road in the John D. Rockefeller, Jr., Memorial Parkway, park officials said.
Plowing Teton Park Road is scheduled to begin Monday morning. The road will open for nonmotorized use by April 1, possibly sooner depending on the weather and plowing progress.
Grassy Lake Road in the memorial parkway will remain closed to all use until June 1 due to springtime grizzly bear activity.
The Flagg Ranch Visitor Information Station is scheduled to close for the winter season on Sunday. Flagg Ranch Resort will close after breakfast Monday.
Winter car camping at the Colter Bay Visitor Center is scheduled to end April 15. Gros Ventre Campground, near Kelly, is scheduled to open for the summer April 29.