Md. Code Regs. 11.04.09.01
A bike lane or shoulder shall be considered to have a smooth surface if that surface has a texture equal to or better than the adjacent roadway, and if the surface contains undulations which are no larger than the adjacent roadway.
Authority: Transportation Article, §21-1205.1(b)(3), Annotated Code of Maryland
Effective date: October 19, 1979 (6:21 Md. R. 1709)