Any railroad company operating a gasoline motor car upon its railroad shall use on such car such device or devices, for giving warning of the approach of such car to crossings of such railroad by highways, as are approved by the Commissioner of Transportation, and the use of such device or devices on such cars shall be construed to be a compliance with the requirements of section 13b-329.
Conn. Gen. Stat. § 13b-330
(1949 Rev., S. 5531; P.A. 75-486, S. 1, 69; P.A. 77-614, S. 571, 610.)