Sec. 1. 29-A MRSA §101, sub-§85-A is enacted to read:

85-A.__Traffic light violation monitoring system.__"Traffic light violation monitoring system" means a vehicle sensor installed to work in conjunction with a lighted traffic control device as defined in section 2057, subsection 1 or 3 that automatically produces one or more photographs, one or more microphotographs, a videotape or other recorded images of each vehicle at the time the vehicle is operated in violation of state law.

Sec. 2. 29-A MRSA §2075, sub-§3, ¶D, as amended by PL 2001, c. 313, §1, is further amended to read:

D. With the approval of the Department of Transportation and the Chief of the State Police, increase or decrease the speed limit on through ways by erecting standard signs giving notice of the speed limit in accordance with the latest edition of the Manual on Uniform Traffic Control Devices published by the Federal Highway Administration; and

Sec. 3. 29-A MRSA §2075, sub-§3, ¶E, as enacted by PL 2001, c. 313, §1, is amended to read:

E. Subject to the provisions of this paragraph, if it is a qualifying municipality, set speed limits on qualifying roads. As used in this paragraph, "qualifying municipality" means a municipality that has a population of 2,500 or more as measured by the latest decennial United States census or that employs a professional engineer licensed in this State. As used in this paragraph, "qualifying road" means a town way that is classified as local by the Department of Transportation in accordance with the federal functional classification system.

If a qualifying municipality decides to set speed limits in accordance with this paragraph, the municipality shall provide written notice of that determination to the Commissioner of Transportation and shall set speed limits for all qualifying roads in that municipality.

Unless otherwise approved as provided in paragraph D, speed limits set by a municipality must be in 5-mile-per- hour increments within the following ranges:

(1) From 20 to 25 miles per hour, inclusive, regarding roads in a business or residential district or a compact area, except that the lower limit may be set at