City of Olney issued the following announcement on Nov. 15.
The City of Olney would like to make the public aware that a Temporary No Parking Order will be in effect from 3 p.m. to 9 p.m. on Saturday, November 24th. The Temporary No Parking Order will be along the parade route that includes both sides of N. East Street, Main Street, and S. Whittle Avenue to W. North Avenue. The public's cooperation is greatly appreciated.
Original source can be found here.
Source: City of Olney