Be it enacted by the Senate and House of Representatives
in General Court assembled, and by the authority of the same,
SECTION 1. Notwithstanding the provisions of chapter one hundred and sixty of the General Laws or any other general or special law to the contrary, no railroad corporation including any locomotive engine operated by or on behalf of the Massachusetts Bay Transportation Authority shall permit a locomotive engine passing on its railroad in the town of Acton to sound whistles at any grade crossing which has the following safety features: flashing lights in each direction which are automatically activated by the approaching train; two gates, one on each side of the crossing, both of which are automatically lowered by the approaching train and both extend across approximately half the width of the lanes of traffic so that the entire width of the lanes of traffic is blocked when the gates are lowered; a bell that is automatically activated by the approaching train; overhead street lights; signs posted before the grade crossing in each direction warning motorists and pedestrians of the crossing ahead; posted speed limits for traffic of not more than twenty-five miles per hour; and not more than two lanes of vehicular traffic in each direction at the grade crossing. Notwithstanding the provisions of this paragraph, a train shall be required to sound its whistle in the event of an emergency.
SECTION 2. The department of public utilities shall require that whistle markers on the railroad right of way on the approach to each crossing shall be replaced with bell markers within ninety days of the effective date of this act.
SECTION 3. The department of public utilities shall notify the Massachusetts Bay Transportation Authority and all other railroad corporations operating locomotive engines in the town of Acton of the provisions of this act within thirty days of its effective date.
SECTION 4. This act shall take effect upon its passage.