Title 40, Chapter 8, Section 73
(a) No person shall drive any motor vehicle with any sign, poster,
or other nontransparent material upon the front windshield, side
windows, or rear windows of such vehicle which obstructs the
driver's clear view of the highway or any intersecting highway.
(b) The windshield of every motor vehicle shall be equipped with a
device for cleaning rain, snow, or other moisture therefrom, which
device shall be so constructed as to be controlled or operated by
the driver of the vehicle.
(c) Every windshield wiper upon a motor vehicle shall be maintained
in good working order.
(d) No opaque or solid material including, but not limited to,
cardboard, plastic, and taped glass shall be employed in lieu of a
glass windshield or window.
(e) No motor vehicle shall be operated with a windshield or rear
window having a starburst or spider webbing effect greater than
three inches by three inches.