The Department of Transportation, Division of Highway Services clears over 5,200 lane miles of county maintained streets. If the road is a numbered route such as Rte. 355, 117, please contact Maryland State Highway at 301.513.7300 OR 410.582.5650 (out of normal business hours). The Operations Center is 800.543.2515. In addition, municipalities such as City of Rockville, City of Gaithersburg, etc. maintain city owned streets. Please click on the County snow web page link below during storms to check the status of streets.