Trans 305.42(2)(2) The horn shall be activated by use of a button to make the electrical connection and shall be maintained in proper working condition. Trans 305.42 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96. Trans 305.43(1)(1) Every motorcycle shall be equipped with all lighting devices required by ch. 347, Stats. In addition, every motorcycle manufactured after January 1, 1972, shall be equipped with 2 amber direction signal lamps on the front and 2 direction signal lamps on the rear which may be red or amber. Trans 305.43(2)(2) A motorcycle may be equipped with no more than 2 auxiliary lamps, including auxiliary lamps on a side car. Trans 305.43(3)(3) Motorcycles and attached sidecars may be equipped with marker lamps provided that: Trans 305.43(3)(b)(b) No marker lamp interferes with the visibility of a headlamp, tail lamp, stop lamp or direction signal. Trans 305.43(3)(c)(c) No lamp shows a color except red to the rear and amber to the front. Trans 305.43(4)(4) All lighting devices shall be maintained in proper working condition and in conformity with ch. 347, Stats. All wiring and connections shall be maintained in good condition and there shall be no cracked, broken or missing lenses or reflectors. Trans 305.43 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96. Trans 305.44Trans 305.44 Mirrors. Every motorcycle shall be equipped with at least one mirror meeting the requirements of s. 347.40, Stats., and s. Trans 305.26. Trans 305.44 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96. Trans 305.45(1)(1) A type 1 motorcycle may be equipped with one sidecar securely attached to the frame of the motorcycle. A sidecar may only be attached to the right side of the motorcycle. Trans 305.45(2)(2) A tail lamp and stop lamp or a combination lamp performing both functions meeting the requirements of ss. 347.13 (1) and 347.14 (2), Stats., shall be mounted on the rear of any side car. A sidecar may be equipped with a headlamp if the headlamp is mounted as required by s. 347.09 (2), Stats. Trans 305.45 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96. Trans 305.46(1)(1) Any motorcycle with a front suspension system modified before January 1, 1976, may have a rake of no more than 55 degrees, provided the trail is at least 2 inches. Trans 305.46(2)(2) Any motorcycle, commencing with the 1976 models, may be modified to cause the front suspension system to have a rake of no more than 50 degrees, provided the trail is at least 2 inches. Trans 305.46(3)(a)(a) “Rake” means the angle formed by the front suspension, or “forks,” and a vertical line drawn from the top of the front “forks” perpendicular to the ground. Trans 305.46(3)(b)(b) “Trail” means the distance from a point on the roadway directly underneath the center of the front wheel to the projected point where an extension of the front frame through the fork head would intersect the roadway. Trans 305.46(4)(4) Every motorcycle shall be equipped with a shock absorbing front suspension system. Trans 305.46(4)(a)(a) The main tubes or the individual sliding tubes on a telescoping front suspension system shall be of one piece construction. Screw-on extensions, or “slugs,” are prohibited. Trans 305.46(4)(b)(b) All shock absorbing units shall be in proper working condition and free of leaks. Trans 305.46 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96. Trans 305.47Trans 305.47 Tires, wheels and rims. The tires of every motorcycle and of any attached sidecar or trailer shall meet the requirements of s. Trans 305.30. Trans 305.47 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96. Trans 305.48Trans 305.48 Definitions. For purposes of this subchapter, “vehicle” means heavy trucks, trailers and semitrailers. Trans 305.48 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96. Trans 305.485(1)(1) The following sections of subch. II apply to heavy trucks, trailers and semitrailers: Trans 305.485 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96; am. (2) (a), renum. (2) (b) to (e) to be (2) (f), (g), (i) and (j), cr. (2) (b) to (e) and (h), Register, October, 1997, No. 502, eff. 11-1-97. Trans 305.49(1)(1) When a vehicle is equipped with an axle or axles that raises or lowers by means of air pressure, spring force or hydraulic pressure, the control valves shall be installed as follows: Trans 305.49(1)(a)(a) The control valve that regulates the amount of pressure shall be mounted outside of the driver’s compartment. Trans 305.49(1)(b)(b) The control valve that regulates the movement of the axle or axles so as to raise or lower the axle or axles may be in the driver’s compartment. Trans 305.49(2)(2) This section applies to vehicles manufactured commencing with the 1998 model year. Trans 305.49 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96; am. (2), Register, October, 1997, No. 502, eff. 11-1-97. Trans 305.50Trans 305.50 Bed and body on trailers and semitrailers. The bed or body of a trailer or semitrailer may not contain holes, cracks or other openings which would allow the vehicle contents to drop, leak or spill upon the highway. Trans 305.50 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96; am. Register, October, 1997, No. 502, eff. 11-1-97. Trans 305.51Trans 305.51 Brakes on heavy trucks, trailers and semitrailers. Trans 305.51(1)(1) The brake system on every heavy truck, trailer or semitrailer required by s. 347.35 (3), Stats., to have brakes shall be maintained in proper working condition and in conformity with this section. Trans 305.51(2)(2) Every heavy truck, semitrailer or trailer over 10,000 pounds gross weight and required to have brakes shall have braking ability on every wheel, except as exempted by s. Trans 327.03 (4) or other applicable law. Trans 305.51(3)(3) No person may operate any heavy truck, trailer or semitrailer upon a highway if: Trans 305.51(3)(b)(b) The brake lining, pads, drums or rotors on any wheel are worn below the manufacturer’s recommended minimum operating level; Trans 305.51(3)(d)(d) The cables are frayed or hoses are abraded, damaged, deteriorated or leaking; or Trans 305.51(3)(e)(e) There is visual evidence of leakage of grease, oil or brake fluid that may have contaminated the braking surface. Trans 305.51(4)(4) This section does not apply to any trailer or semi-trailer when its actual gross weight is less than 3,000 pounds, or to farm trailers. Trans 305.51 NoteNote: Ch. Trans 308 establishes requirements as to the design, type and performance standards of brakes required by s. 347.35 (3), Stats., on trailers and semitrailers. Section 347.36, Stats., also establishes minimum performance standards for brakes on combinations of vehicles. Trans 305.51 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96; am. (1) to (3) (intro.), Register, October, 1997, No. 502, eff. 11-1-97. Trans 305.52(1)(1) When 2 or more vehicles are operated in combination, the coupling devices connecting the vehicles shall be designed, constructed and installed and the vehicles shall be designed and constructed, so that when the combination is operated in a straight line on a level, smooth, paved surface, the path of the towed vehicle will not deviate more than 3 inches to either side of the path of the vehicle that tows it. Trans 305.52 NoteNote: Ch. Trans 308 establishes requirements as to the type, design and strength of couplings, safety chains, leveling bars and cables required by s. 347.47, Stats., on trailers, semitrailers and mobile homes. Trans 305.52(3)(3) When used as part of a fifth wheel assembly on a truck tractor, the king pin shall fit snugly into the upper and lower halves, but may not bind. Trans 305.52 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96; am. (3), Register, October, 1997, No. 502, eff. 11-1-97. Trans 305.53Trans 305.53 Fenders and mud guards. Every trailer or semi-trailer shall be equipped with adequate fenders to cover the tires, except when the construction of the trailer or semitrailer is such that the body, bed, load, or load-carrying area covers the tires. Semitrailers operated in intercity movement and not equipped with dump bodies shall have sufficient mud guards as specified in s. 347.46 (2), Stats., unless exempted under s. 347.46 (2) (c), Stats. Trans 305.53 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96. Trans 305.54Trans 305.54 Frames on heavy trucks, trailers and semi-trailers. Trans 305.54(1)(1) No frame may be repaired, modified or altered, nor may additional support be added to a frame, if the structural integrity or alignment of the vehicle is adversely affected. Trans 305.54(2)(2) No frame may be rusted, damaged or cracked to the extent that it no longer properly supports the vehicle or the load carried on the vehicle. Trans 305.54(3)(3) No vehicle may be operated on a highway which is noticeably out of alignment. Trans 305.54 HistoryHistory: Cr. Register, February, 1996, No. 482, eff. 3-1-96. Trans 305.55(1)(1) Every vehicle shall be equipped with all lamps and reflectors required by ch. 347, Stats., and this section. Required lamps shall be capable of being operated at all times. Trans 305.55(2)(2) Every vehicle shall be equipped with clearance lamps, sidemarker lamps and reflectors as follows: Trans 305.55(2)(a)(a) Truck tractors and road tractors shall be equipped with 2 clearance lamps on the front of the vehicle and with an amber side marker lamp on each side of the vehicle as far to the front as practicable. Trans 305.55(2)(b)(b) Motor trucks, trailers and semitrailers whose overall width is more than 80 inches shall be equipped with 2 clearance lamps on the front and 2 clearance lamps on the rear of the vehicle; 2 reflectors on the rear of the vehicle; and on each side of the vehicle, 2 side marker lamps mounted so as to identify as nearly as possible the extreme length of the vehicle. Trans 305.55(2)(c)(c) Motor trucks, trailers and semitrailers whose overall width is 80 inches or less shall be equipped with 2 reflectors on the rear of the vehicle and on each side of the vehicle, 2 side marker lamps mounted so as to identify as nearly as possible the extreme length of the vehicle. Trans 305.55(2)(d)(d) Clearance lamps, sidemarker lamps and reflectors shall conform to the color, mounting and visibility requirements specified in ss. 347.17, 347.18 and 347.19, Stats. Trans 305.55(3)(3) Three identification lamps shall be mounted horizontally at the vertical center line on the front and rear of every motor truck which is 80 or more inches in overall width, on the front of every truck tractor or road tractor which is 80 or more inches in overall width, and on the rear of every trailer or semitrailer which is 80 or more inches in overall width. A truck tractor or road tractor need not be equipped with rear identification lamps. The lamps shall be mounted as close as practicable to the top of the vehicle and at the same height. The color of front identification lamps shall be amber and the color of rear identification lamps shall be red.
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Department of Transportation (Trans)
administrativecode/subch. IV of ch. Trans 305
administrativecode/subch. IV of ch. Trans 305
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