The department may illuminate, or cause to be illuminated, by means of highway lighting, traffic circles, traffic underpasses, traffic overpasses, traffic islands and other locations in the state highways wherever, in its opinion, such illumination is necessary for the safety of the travelling public.
Mass. Gen. Laws ch. 81, § 20A
Illumination of highways
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.