RSA 265:95 Obstruction to Driver's View or Riding Mechanism.

I. No person shall drive a vehicle when it is so loaded, or when there are in the front seat such a number of persons, exceeding 3, as to obstruct the view of the driver, to the front or side of the vehicle or as to interfere with the driver's control over the driving mechanism of the vehicle.
II. No passenger in a vehicle shall ride in such position as to interfere with the driver's view ahead or to the sides, or to interfere with his control over the driving mechanism of the vehicle.
(a) Except as permitted by subparagraph (b), no person shall drive upon any way any vehicle with any sign, poster, sticker, or other nontransparent material upon or adjacent to the front windshield, side wings, or side or rear windows of such vehicle which shall obstruct the driver's clear