Wild geese fly over the reflecting pool near the Lincoln Memorial while thousands of people gather to commemorate the 50th anniversary of the March on Washington and Dr. Martin Luther King, Jr.'s "I have a Dream" speech on August 24, 2013, in Washington, DC. (MLADEN ANTONOV/AFP/Getty Images)

Federal agencies have been urged to allow employees to telework or use other work scheduling flexibilities on Wednesday because of the traffic impact of events related to the 50th anniversary of the “I Have a Dream” speech by the Rev. Martin Luther King Jr.

A memo sent Friday from the Office of Personnel Management said that agencies will be open Wednesday. However, “due to the increase in traffic, road closures, and related commuting disruptions” federal workers in the Washington area “should expect significant commuting delays and travel disruptions” and should allow for extra time in their commutes. OPM said it “strongly urges the use of telework to keep the Government operating while helping to minimize traffic congestion and unproductive time during this event. Employees who can be spared from their duties may also request to adjust their work schedule and use their alternative work schedule day off or take annual leave, leave without pay, and/or previously earned compensatory time off or earned credit hours under a flexible work schedule.”