Loudoun County does not maintain any type of street sign in regards to traffic control, traffic flow, or guidance, such as stop signs and yield signs. The county does maintain street name signs, such as the blue ones you may find at street corners. If you see that a street sign needs maintenance, please fill out submitting a request in Loudoun Express Request (LEx). or contact the Loudoun County Department of General Services at 703-771-5552.