The Maryland Standard Sign Book provides design details for standard signs to be used along Maryland highways in a format that is user friendly to fabricators, technicians and engineers. All signs used along Maryland roadways open to the public must conform to the Standard Sign Book. There are no exceptions.

The standards are provided in PDF format. If you do not have a PDF viewer you can download Adobe Acrobat by clicking here​. You may find the standard you are interested in by providing the appropriate information in any of the search fields: