§ 171.92. Aisles.
(a) School buses equipped with a power lift or a ramp shall have aisles a minimum of 30 inches wide leading from the wheelchair or other type of mobility device area to the emergency door, power lift or ramp special service entrance. Under § 171.42 (relating to aisle), school buses that are not equipped with a power lift or ramp shall have aisles with a minimum clearance of at least 30 centimeters—11 3/4 inches—wide leading to the emergency door and the service entrance door.
(b) School vehicles may not be equipped with more than two wheelchair positions. (Each wheelchair seating position is counted as four designated seating positions, under 49 CFR 571.3(b) (relating to definitions).
Authority The provisions of this § 171.92 amended under the Vehicle Code, 75 Pa.C.S. § § 4103, 4551—4553 and 6103.
Source The provisions of this § 171.92 adopted August 19, 1983, effective August 20, 1983, 13 Pa.B. 2561; readopted December 4, 1987, effective December 5, 1987, 17 Pa.B. 5052; amended September 13, 1996, effective September 14, 1996, 26 Pa.B. 4411; amended May 20, 2005, effective May 21, 2005, 35 Pa.B. 3039. Immediately preceding text appears at serial page (219649).
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