61-9-201. When lighted lamps are required. Every vehicle upon a highway within this state at any time from one-half hour after sunset to one-half hour before sunrise and at any other time when due to insufficient light or unfavorable atmospheric conditions persons and vehicles on the highway are not clearly discernible at a distance of 500 feet ahead shall display lighted lamps and illuminating devices as hereinafter respectively required for different classes of vehicles, subject to exceptions with respect to parked vehicles.

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Terms Used In Montana Code 61-9-201

  • State: when applied to the different parts of the United States, includes the District of Columbia and the territories. See Montana Code 1-1-201
  • Vehicle: means a device in, on, or by which any person or property may be transported or drawn on a public highway, except devices moved by animal power or used exclusively on stationary rails or tracks. See Montana Code 61-1-101