Where pedestrian signals are present, they shall have the following meaning:
Where pedestrian signals are not present, or present and dark or inoperative, pedestrian crossings shall be controlled the following vehicle signals:
If any section, sub-section, sentence, clause or phrase of 700 CMR 9.00 is for any reason unconstitutional, such decision shall not affect the validity of the remaining portion of 700 CMR 9.00. The Department hereby declare that it would have passed 700 CMR 9.00 and each section, sub-section, sentence, clause or phrase thereof, irrespective of the fact that any one or more sections, sub-sections, sentences, clauses or phrases be declared unconstitutional.
700 CMR, § 9.09