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Each truck and truck tractor (except trucks engaged in
armored car service) shall have at least one window on each side of the
driver’s compartment. Each window must have a minimum area of 1,290 cm
2
(200
in
2) formed by a rectangle 33 cm by 45 cm (13 inches by 17
3/4
inches). The maximum radius of the corner arcs shall not exceed 152 mm (6
inches). The long axis of the rectangle shall not make an angle of more than 45
degrees with the surface on which the unladen vehicle stands. If the cab is
designed with a folding door or doors or with clear openings where doors or
windows are customarily located, no windows shall be required in those
locations.
[33 FR 19735, Dec. 25, 1968, as amended at 37 FR 11677, June 10,
1972; 70 FR 48052, Aug. 15, 2005]
READ MORESHOW LESS
['CMV Parts and Maintenance']
['Parts and Accessories - Motor Carrier', 'Vehicle maintenance']