Beginning the week of July 20th, work crews for Columbia Gas will be replacing a gas main on South Cannon Avenue between Mill Street and E. Baltimore Street. The contractor plans to keep one lane of traffic open at all times, and to use flagmen to direct traffic around the work area. Motorists approaching the work area will encounter cones, barricades, flagmen, and other traffic control devices. The contractor plans to work Monday through Friday, 7:00 AM to 4:00 PM, although work may extend beyond 4:00 PM depending upon conditions encountered. After work is completed each day, the closed travel lane will be reopened to traffic. It is anticipated that this work will continue until mid-September.Emergency vehicles will be able to pass through this block of South Cannon Avenue while the lane closure is in effect, but dispatchers should be aware that some traffic congestion and delays are possible near the work area.Please contact the Department of Parks & Engineering at (301) 739-8577 extension 125 if there are any questions regarding this advisory.