If Puget and Bethel Streets are both usable:
- Outbound trips will follow Puget St. to San Francisco Ave. NE to Bethel St. to Miller Ave. to Friendly Grove Rd. to 26th Ave.
- Inbound trips will follow the regular route from 26th Ave. to Bethel St. to San Francisco Ave. NE to Puget St. to State Ave.
During severe conditions:
- Route 21 may be cancelled.