17-229-204 Me. Code R. § 05
Highway lighting will be in conformity with "Roadway Lighting Handbook (Washington, D.C. Federal Highway Administration, U.S. Department of Transportation) 1978 and Addendum to Chapter 6 of the Roadway Lighting Handbook, 1983 for the installation, replacement, and maintenance of highway lighting. In areas where automobiles and pedestrians use the roadway system, new installations will conform to the standards set in "American Standards Institute Regulations for Handicapped Access". Consideration will also be given for safety interests of the motorists, pedestrians, or other people using highway type rest areas, buildings, or intersection areas.
Minimum lighting levels in the Federal Standards will be utilized and the most restrictive cutoff luminaires will be used in the design of highway lighting. Shielding will be used if the light trespasses the highway right-of-way limits.
17-229 C.M.R. ch. 204, § 05