The City of Arkansas City will shift to a four-day sanitation schedule this week due to the closure of all City offices on Monday in observance of Presidents Day. All of Monday’s and part of Tuesday’s routes will be collected Tuesday, Feb. 22. The part of Tuesday’s route to be collected is from Madison Avenue south to the Mill Canal, and from Summit Street east to E Street and southeast through Sleeth Addition.The rest of Tuesday’s route and Wednesday’s entire route will be collected Wednesday, Feb. 23. Thursday’s and Friday’s routes will be unaffected by this holiday disruption.