HOUSE BILL No. 5972 June 25, 1998, Introduced by Reps. Jelinek, Scranton, Green, Jellema, Birkholz, Gernaat, DeVuyst, Brackenridge, Hammerstrom, Kukuk and Perricone and referred to the Committee on Agriculture. A bill to amend 1949 PA 300, entitled "Michigan vehicle code," by amending sections 302, 312e, 688, 705, and 710 (MCL 257.302, 257.312e, 257.688, 257.705, and 257.710), sections 302 and 312e as amended by 1991 PA 100, section 688 as amended by 1990 PA 98, and section 705 as amended by 1995 PA 91. THE PEOPLE OF THE STATE OF MICHIGAN ENACT: 1 Sec. 302. The following persons are exempt from obtaining a 2 license under this chapter: 3 (a) A person serving in the armed forces of the United 4 States if furnished with a driver's permit and operating an offi- 5 cial motor vehicle in that service. A person who is a civilian 6 and in the employ of the armed forces of the United States is not 7 exempt from obtaining a license under this chapter. 03160'97 LBO 2 1 (b) A person while driving or operating a road roller, a 2 snow motor, road machinery, or a farm tractor or implement of 3 husbandry temporarily drawn, moved, or propelled on a highway AT 4 SPEEDS OF 25 MILES PER HOUR OR LESS. 5 (c) A nonresident who is not less than 16 years of age and 6 who has been licensed either as an operator or a chauffeur under 7 a law requiring the licensing of operators or chauffeurs in his 8 or her home state and who has in his or her immediate possession 9 either a valid operator's or a valid chauffeur's license issued 10 to him or her in his or her home state. 11 (d) A nonresident who is over the age of 17 years, whose 12 home state does not require the licensing of operators, may oper- 13 ate a motor vehicle as an operator only, for a period of not more 14 than 90 days in any calendar year, if the motor vehicle is regis- 15 tered in the home state or country of the nonresident and the 16 nonresident has in his or her immediate possession a registration 17 card evidencing ownership and registration of the motor vehicle 18 in his or her home state or country, or is able at any time or 19 place required to prove lawful possession or the right to operate 20 the motor vehicle and to establish his or her proper identity. 21 (e) A person who is a member of the armed forces of the 22 United States on official leave, who on the date of his or her 23 orders granting leave possessed an operator's or chauffeur's 24 license, valid except for the expiration date of the license. 25 This section applies only to the person's first leave of absence 26 following the expiration of his or her license and exempts the 03160'97 3 1 person from the provisions of this act for a period not to exceed 2 30 days. 3 (f) A person who is a discharged member of the armed forces 4 of the United States, who on the date of his or her discharge 5 possesses an operator's or chauffeur's license, valid except for 6 the expiration date, for a period not to exceed 30 days from date 7 of discharge. 8 (g) A person who is a member of the armed forces of the 9 United States, stationed in this state, who is a resident of 10 another state and has a valid license issued by his or her state 11 of residence. 12 (h) A person while operating a commercial motor vehicle in 13 the course of a driving test administered by a certified examiner 14 appointed by the secretary of state and while accompanied by the 15 examiner. 16 Sec. 312e. (1) Except as provided in subsections (4), (5), 17 (6), (7), and (8), a person, before operating a vehicle towing a 18 vehicle having a gross vehicle weight rating over 10,000 pounds, 19 shall procure a group A vehicle designation on his or her 20 operator's or chauffeur's license. Unless an indorsement is 21 required, a person licensed to operate a group A vehicle may 22 operate a group B or C vehicle without taking another test. A 23 person, before operating a single vehicle having a gross vehicle 24 weight rating of 26,001 pounds or more, or any combination of 25 vehicles having a gross combination weight rating of 26,001 26 pounds or more if the vehicle being towed does not have a gross 27 vehicle weight rating over 10,000 pounds, shall procure a group B 03160'97 4 1 vehicle designation on his or her operator's or chauffeur's 2 license. Unless an indorsement is required, a person licensed to 3 operate a group B vehicle may operate a group C vehicle without 4 taking another test. A person, before operating a school trans- 5 portation vehicle or a single vehicle having a gross vehicle 6 weight rating under 26,001 pounds or a combination of vehicles 7 having a gross combination weight rating under 26,001 pounds if 8 the vehicle being towed does not have a gross vehicle weight 9 rating over 10,000 pounds and carrying hazardous materials on 10 which a placard is required under 49 C.F.R. parts 100 to 199, or 11 designed to transport 16 or more passengers including the driver, 12 shall procure a group C vehicle designation and a hazardous mate- 13 rial or passenger vehicle indorsement on his or her operator's or 14 chauffeur's license. An applicant for a vehicle group designa- 15 tion shall take knowledge and driving skills tests that comply 16 with minimum federal standards prescribed in 49 C.F.R. part 383 17 as required under this act. The license shall be issued, sus- 18 pended, revoked, canceled, or renewed in accordance with this 19 act. Except as provided in this subsection, all of the following 20 apply: 21 (a) A person who takes the driving test required under 22 section 312f for a group A vehicle designation in a combination 23 of vehicles having a gross combination weight rating under 26,001 24 pounds shall not operate a single vehicle having a gross vehicle 25 weight rating of 26,001 pounds or more, or any combination of 26 vehicles having a gross combination weight rating of 26,001 27 pounds or more if the vehicle being towed has a gross vehicle 03160'97 5 1 weight rating of 10,001 pounds or more or the towing vehicle has 2 a gross vehicle weight rating of 26,001 pounds or more. 3 (b) A person who has a group B vehicle designation that is 4 not restricted under this subsection and who takes the driving 5 test required under section 312f for a group A vehicle designa- 6 tion in a combination of vehicles having a gross combination 7 weight rating under 26,001 pounds shall not operate any combina- 8 tion of vehicles having a gross combination weight rating of 9 26,001 pounds or more if the vehicle being towed has a gross 10 vehicle weight rating of 10,001 pounds or more. 11 (c) A person who takes the driving test required under 12 section 312f for a group B vehicle designation in a combination 13 of vehicles in which the towing vehicle has a gross vehicle 14 weight rating under 26,001 pounds shall not operate a single 15 vehicle having a gross vehicle weight rating of 26,001 pounds or 16 more, or any combination of vehicles if the towing vehicle has a 17 gross vehicle weight rating of 26,001 pounds or more. 18 (2) A person, before operating a commercial motor vehicle 19 pulling double trailers, shall procure the appropriate vehicle 20 group designation and a T vehicle indorsement under this act. A 21 person, before operating a commercial motor vehicle that is a 22 tank vehicle, shall procure the appropriate vehicle group desig- 23 nation and an N vehicle indorsement under this act. A person, 24 before operating a commercial motor vehicle carrying hazardous 25 materials on which a placard is required under 49 C.F.R. parts 26 100 to 199, shall procure the appropriate vehicle group 27 designation and an H vehicle indorsement under this act. A 03160'97 6 1 person, before operating a commercial motor vehicle that is a 2 tank vehicle carrying hazardous material, shall procure the 3 appropriate vehicle group designation and both an N and H vehicle 4 indorsement, which combination vehicle indorsement shall be des- 5 ignated by the code letter X on the person's operator's or 6 chauffeur's license. A person, before operating a bus, school 7 bus, or school transportation vehicle, shall procure the appro- 8 priate vehicle group designation and a P vehicle indorsement 9 under this act. A person who fails the air brake portion of the 10 written or driving tests provided under section 312f or who takes 11 the driving test provided under that section in a commercial 12 motor vehicle that is not equipped with air brakes shall not 13 operate a commercial motor vehicle equipped with air brakes. One 14 or more indorsements may be necessary to operate a commercial 15 motor vehicle. An applicant for an indorsement shall take the 16 knowledge and driving skills tests described and required pursu- 17 ant to 49 C.F.R. part 383. Knowledge tests shall be limited to 18 that which a driver must have for the safe operation of a commer- 19 cial motor vehicle. The driver is not expected to have knowledge 20 of subjects, such as vehicle mechanics, that go beyond the scope 21 of the information necessary for safe operation of his or her 22 commercial motor vehicle. An applicant for a P vehicle indorse- 23 ment shall take the driving skills test in a bus or school bus. 24 (3) The holder of an unexpired operator's or chauffeur's 25 license may be issued a vehicle group designation and indorsement 26 valid for the remainder of the license upon meeting the 27 qualifications of section 312f and payment of the original 03160'97 7 1 vehicle group designation fee of $20.00 and an indorsement fee of 2 $5.00 per indorsement for a 4-year operator's or chauffeur's 3 license, payment of a vehicle group designation fee of $20.00 for 4 a 2-year operator's or chauffeur's license under section 314b and 5 an indorsement fee of $5.00 per indorsement, and a corrected 6 license fee of $6.00. A person required to procure an F vehicle 7 indorsement pursuant to subsection (5) shall pay an indorsement 8 fee of $5.00. 9 (4) Except as otherwise provided in subsections (5) and (6), 10 this section does not apply to a driver or operator of a vehicle 11 under all of the following conditions: 12 (a) The vehicle is controlled and operated by a farmer or an 13 employee or family member of the farmer. 14 (b) The vehicle is used to transport agricultural products, 15 farm machinery, farm supplies, or a combination of these items, 16 to or from a farm. 17 (c) The vehicle is not used in the operation of a common or 18 contract motor carrier. 19 (d) The vehicle is operated within 150 miles of the farm. 20 (E) THE VEHICLE, WHETHER A FARM TRACTOR, SELF-PROPELLED 21 IMPLEMENT OF HUSBANDRY, OR DRAWN IMPLEMENT OF HUSBANDRY, IS OPER- 22 ATED AT SPEEDS OF 25 MILES PER HOUR OR LESS. 23 (5) A person, before driving or operating a combination of 24 vehicles having a gross vehicle weight rating of 26,001 pounds or 25 more on the power unit that is used as described in 26 subsection (4)(a) to(d)(E), shall obtain an F vehicle 03160'97 8 1 indorsement. The F vehicle indorsement shall be issued upon 2 successful completion of a knowledge test only. 3 (6) A person, before driving or operating a single vehicle 4 truck having a gross vehicle weight rating of 26,001 pounds or 5 more or a combination of vehicles having a gross vehicle weight 6 rating of 26,001 pounds or more on the power unit that is used as 7 described in subsection (4)(a) to(d)(E) for carrying hazard- 8 ous materials on which a placard is required under 49 C.F.R. 9 parts 100 to 199, shall successfully complete both a knowledge 10 test and a driving skills test. Upon successful completion of 11 the knowledge test and driving skills test, the person shall be 12 issued the appropriate vehicle group designation and any vehicle 13 indorsement necessary under this act. 14 (7) This section does not apply to a fire fighter operating 15 an authorized emergency vehicle who has met the driver training 16 standards of the Michigan fire fighters' training council. 17 (8) This section does not apply to a person operating a 18 motor home or a vehicle used exclusively to transport personal 19 possessions or family members for nonbusiness purposes. 20 (9) A licensee who holds an operator's or chauffeur's 21 license with a class 1 indorsement issued before January 1, 1990, 22 may operate a single vehicle weighing over 24,000 pounds gross 23 vehicle weight without having been issued a group B vehicle des- 24 ignation on his or her license until the license expires as pro- 25 vided in subsection (10). A licensee who holds an operator's or 26 chauffeur's license with a class 2 indorsement issued before 27 January 1, 1990, may operate a combination of vehicles weighing 03160'97 9 1 over 24,000 pounds gross vehicle weight or a vehicle towing a 2 vehicle weighing over 10,000 pounds gross vehicle weight or a 3 single vehicle weighing over 24,000 pounds gross vehicle weight 4 without having been issued a group A or B vehicle designation on 5 his or her license until the license expires as provided in sub- 6 section (10). A licensee who holds an operator's or chauffeur's 7 license with a class 3 indorsement issued before January 1, 1990, 8 may operate a bus or school bus without having been issued a 9 vehicle group designation or passenger vehicle indorsement on his 10 or her license until the license expires as provided in subsec- 11 tion (10). A licensee who holds a chauffeur's license issued 12 before January 1, 1990 may operate a school transportation vehi- 13 cle without having been issued a vehicle group designation or 14 passenger vehicle indorsement on his or her license until the 15 license expires as provided in subsection (10). 16 (10) The class 1, class 2, or class 3 indorsement on a 17 person's operator's or chauffeur's license that expires after 18 March 31, 1992 shall expire on the person's next birthday after 19 March 31, 1991. 20 (11) The money received and collected under subsection (3) 21 for a vehicle group designation or indorsement shall be deposited 22 in the state treasury to the credit of the general fund. The 23 secretary of state shall refund out of the fees collected to each 24 county or municipality acting as an examining officer or examin- 25 ing bureau $3.00 for each applicant examined for a first designa- 26 tion or indorsement to a 4-year operator's or chauffeur's 27 license, $2.50 for each original designation or indorsement to a 03160'97 10 1 2-year operator's or chauffeur's license, $1.50 for each renewal 2 designation or indorsement to a 2- or 4-year operator's or 3 chauffeur's license, whose application is not denied, on the con- 4 dition that the money refunded shall be paid to the county or 5 local treasurer and is appropriated to the county, municipality, 6 or officer or bureau receiving that money for the purpose of car- 7 rying out this act. 8 (12) Notwithstanding any other provision of this section, a 9 person operating a vehicle described in subsections (4) and (5) 10 is subject to the provisions of sections 303 and 319b. 11 Sec. 688. In addition to other equipment required in this 12 chapter, the following vehicles shall be equipped as provided in 13 this section under the conditions stated in section 687: 14 (a) On every bus or truck, whatever its size, there shall be 15 the following: 16 On the rear, 2 red reflectors, 1 on each side, and 1 red or 17 amber stop light. 18 (b) On every bus or truck 80 inches or more in overall 19 width, in addition to the requirements in paragraph (a): 20 On the front, 2 clearance lamps, 1 at each side. 21 On the rear, 2 clearance lamps, 1 at each side. 22 On each side, 2 side marker lamps, 1 at or near the front 23 and 1 at or near the rear. 24 On each side, 2 reflectors, 1 at or near the front and 1 at 25 or near the rear. 26 Three identification lamps, mounted on the vertical 27 centerline of the vehicle or the vertical centerline of the cab 03160'97 11 1 where different from the centerline of the vehicle, except that, 2 where the cab is not more than 42 inches wide at the front roof- 3 line, a single lamp at the center of the cab shall be considered 4 to comply with the requirements for identification lamps. The 5 identification lamps or their mounts shall not extend below the 6 top of the vehicle windshield. 7 (c) On every truck tractor: 8 On the front, 2 clearance lamps, 1 at each side. 9 On the rear, 1 stop light. 10 (d) On every trailer, pickup camper, or semitrailer having a 11 gross weight in excess of 3,000 pounds: 12 On the front, 2 clearance lamps, 1 at each side. 13 On each side, 2 side marker lamps, 1 at or near the front 14 and 1 at or near the rear. 15 On each side, 2 reflectors, 1 at or near the front and 1 at 16 or near the rear. 17 On the rear, 2 clearance lamps, 1 at each side, also 2 18 reflectors, 1 at each side, and 1 stop light. 19 (e) On every poletrailer: 20 On each side, 1 side marker lamp and 1 clearance lamp which 21 may be in combination, to show to the front, side, or rear. 22 On the rear of the poletrailer or load, 2 reflectors, 1 on 23 each side. 24 (f) On every trailer, pickup camper, or semitrailer weighing 25 3,000 pounds gross or less: 26 On the rear, 2 reflectors, 1 on each side if any trailer or 27 semitrailer is so loaded or is of such dimensions as to obscure 03160'97 12 1 the stop light on the towing vehicle, then such vehicle shall 2 also be equipped with 1 stop light. 3 (g) When operated on the highway, every vehicle which has a 4 maximum potential speed of 25 milesanPER hour,implement of5husbandry, farm tractor, orINCLUDING special mobile equipment, 6 A SELF-PROPELLED OR DRAWN IMPLEMENT OF HUSBANDRY, OR A FARM TRAC- 7 TOR OPERATING AT SPEEDS OF 25 MILES PER HOUR OR LESS shall be 8 identified with a reflective device as follows: 9 An equilateral triangle in shape, at least 16 inches wide at 10 the base and at least 14 inches in height: with a dark red 11 border, at least 1-3/4 inches wide of highly reflective beaded 12 material; 13 A center triangle, at least 12-1/4 inches on each side of 14 yellow-orange fluorescent material. 15 The device shall be mounted on the rear of the vehicle, 16 broad base down, not less than 3 feet nor more than 5 feet above 17 the ground and as near the center of the vehicle as possible. 18 The use of this reflective device is restricted to use on slow 19 moving vehicles specified in this section, and use of such 20 reflective device on any other type of vehicle or stationary 21 object on the highway is prohibited. 22 On the rear, at each side, red reflectors or reflectorized 23 material visible from all distances within 500 to 50 feet to the 24 rear when directly in front of lawful upper beams of headlamps. 25 Sec. 705. (1) Brake equipment shall be required as 26 follows: 03160'97 13 1 (a) A motor vehicle, other than a motorcycle or moped, when 2 operated upon a highway shall be equipped with brakes adequate to 3 control the movement of and to stop and hold the vehicle, includ- 4 ing 2 separate means of applying the brakes, each of which means 5 shall be effective to apply the brakes to at least 2 wheels. If 6 these 2 separate means of applying the brakes are connected in 7 any way, they shall be constructed in a way that failure of 1 8 part of the operating mechanism shall not leave the motor vehicle 9 without brakes on at least 2 wheels. 10 (b) A motorcycle or moped when operated upon a highway shall 11 be equipped with at least 2 brakes, 1 on the front wheel and 1 on 12 the rear wheel, which may be operated by hand or foot. 13 (c) A trailer or semitrailer of a gross weight of 5,500 14 pounds or more when operated upon a highway shall be equipped 15 with brakes operating on all wheels and designed to be applied by 16 the driver of the towing motor vehicle from its cab. 17 (d) A new motor vehicle, trailer, or semitrailer sold in 18 this state and operated upon the highways shall be equipped with 19 brakes on all wheels, except a motorcycle or moped, and except 20 that a semitrailer, pole trailer, or trailer of less than 3,000 21 pounds gross weight need not be equipped with brakes if the gross 22 weight of a trailer or pole trailer, no part of the load of which 23 rests upon the towing vehicle, does not exceed 40% of the gross 24 weight of the towing vehicle,and if the gross weight of the 25 towing vehicle and the gross weight of a semitrailer or pole 26 trailer, part of the load of which rests upon the towing vehicle, 27 does not exceed 40% of the gross weight of the towing vehicle 03160'97 14 1 when connected to the semitrailer or pole trailer. This 2 subdivisionshallDOES not apply to a trailer or semitrailer 3 owned by a farmer,andused exclusively in connection with the 4 farming operations of the farmer,andnot used for hire, AND 5 TRAVELING AT SPEEDS OF 25 MILES PER HOUR OR LESS. 6 (e) Every bus, school bus, truck, or truck tractor shall be 7 equipped with brakes operating on all wheels, except that a truck 8 or truck tractor which has 3 or more axles need not have brakes 9 on the front wheels if the vehicle was manufactured before 10 July 25, 1980. 11 (f) In any combination of motor driven vehicles, means shall 12 be provided for applying the rearmost trailer brakes, for a 13 trailer equipped with brakes, in approximate synchronism with the 14 brakes on the towing vehicle and developing the required braking 15 effort on the rearmost wheels at the fastest rate; or means shall 16 be provided for applying braking effort first on the rearmost 17 trailer equipped with brakes; or both of the above means capable 18 of being used alternatively may be employed. 19 (g) A motor vehicle and combination of vehicles, except pole 20 trailers, motorcycles, and mopeds, shall be equipped with parking 21 brakes adequate to hold the vehicle on any grade on which it is 22 operated, under all conditions of loading on a surface free from 23 snow, ice, or loose material. The parking brakes shall be 24 capable of being applied in conformance with the foregoing 25 requirements by the driver's muscular effort or by spring action 26 or by equivalent means. Their operation may be assisted by the 27 service brakes or other source of power if failure of the service 03160'97 15 1 brake actuation system or other power assisting mechanism will 2 not prevent the parking brakes from being applied in conformance 3 with the foregoing requirements. The parking brakes shall be 4 designed in a manner that when once applied they shall remain 5 applied with the required effectiveness despite exhaustion of any 6 source of energy or leakage of any kind. The same brake drums, 7 brake shoes, and lining assemblies, brake shoe anchors, and 8 mechanical brake shoe actuation mechanism normally associated 9 with the wheel brake assemblies may be used for both the service 10 brakes and the parking brakes. If the means of applying the 11 parking brakes and the service brakes are connected in any way, 12 they shall be constructed in a manner that failure of 1 part 13 shall not leave the vehicle without operative brakes. 14 (h) The brake shoes operating within or upon the drums of 15 the vehicle wheels of a motor vehicle may be used for both serv- 16 ice and hand operation. 17 (2) A motor vehicle or combination of motor-drawn vehicles 18 shall be capable at all times and under all conditions of load- 19 ing, of being stopped on a dry, smooth, level road free from 20 loose material within the distances specified below, or shall be 21 capable of being decelerated at a sustained rate corresponding to 22 these distances upon initial application of the service (foot) 23 brake. 24 Feet to stop from Deceleration 25 20 miles in feet 26 per hour per second 03160'97 16 1 Vehicles or combination of 2 vehicles having brakes on all 3 wheels....................... 30 14 4 Vehicles or combination of 5 vehicles not having brakes 6 on all wheels................ 40 10.7 7 (3) Subsection (2) does not apply to a combination of 8 motor-drawn vehicles under all of the following circumstances: 9 (a) The drawn vehicle is an implement of husbandry as 10 defined in section 21. 11 (b) The motor vehicle hauling the implement of husbandry 12 does not exceed a maximum speed of 25 miles per hour.if the13implement of husbandry being drawn is not equipped with brakes14that meet the standards set forth in 49 C.F.R. 393.40 and this15act.16 (c) If the implement of husbandry being drawn does not 17 exceed any other implement or component design maximum speed lim- 18 itation, the combination of vehicles shall not exceed that maxi- 19 mum speed limitation EXCEPT THAT A FARM TRACTOR OR IMPLEMENT OF 20 HUSBANDRY THAT DOES NOT HAVE BRAKES ON ALL WHEELS SHALL NOT 21 EXCEED A SPEED OF 25 MILES PER HOUR. 22 (4) IN THE CASE OF FARM TRACTORS OR SELF-PROPELLED OR DRAWN 23 IMPLEMENTS OF HUSBANDRY, ALL THOSE VEHICLES SHALL HAVE BRAKES ON 24 ALL WHEELS IF OPERATED AT A SPEED EXCEEDING 25 MILES PER HOUR. 25 (5)(4)All brakes shall be maintained in good working 26 order and shall be adjusted in a manner as to operate as equally 03160'97 17 1 as practicable with respect to the wheels on the opposite side of 2 the vehicle. 3 Sec. 710. (1)(a)A person shall not operate on a public 4 highway of this state a vehicle or special mobile equipment which 5 has metal or plastic track or a tire which is equipped with metal 6 that comes in contact with the surface of the road or which has a 7 partial contact of metal or plastic with the surface of the road, 8 except as provided in subsections(c), (d)(3), (4), and(e)9 (5). 10 (2)(b)A person shall not operate on a highway a vehicle 11 which has a tire that has on its periphery a block, stud, flange, 12 cleat, spike, or other protuberance of a material other than 13 rubber which projects beyond the tread of the traction surface of 14 the tire, except as provided in subsections(c), (d)(3), (4), 15 and(e)(5). A person may, however, use farm machinery with a 16 tire having a protuberance which will not injure a highway. A 17 person may also use a tire chain of reasonable proportion upon a 18 vehicle when required for safety because of snow, ice, or other 19 condition tending to cause a vehicle to skid. 20 (3)(c)A person may operate on a highway a vehicle which 21 has a pneumatic tire in which wire of .075 inches in diameter or 22 less is embedded if the tire is constructed so that the percent 23 of metal in contact with the highway does not exceed 5% of the 24 total tire area in contact with the roadway, except that during 25 the first 1,000 miles of use or operation of the tire the metal 26 in contact with the highway shall not exceed 20% of the area. 03160'97 18 1 (4)(d)The department ofstate highways and2 transportation shall promulgate rules establishing acceptable 3 standards to permit the use of a tire with studs or other trac- 4 tion devices to be used on a street or highway after April 1, 5 1975. The rules shall make separate provision for the extreme 6 winter snow and ice conditions of the Upper Peninsula and the 7 northern Lower Peninsula. The rules shall include a restriction 8 on the amount and dimension of protrusions that may be allowed on 9 a tire, the type of material that may be used in a stud, traction 10 device, or tire, and the amount of road wear that a tire with 11 studs or other traction devices may cause on a street or 12 highway. 13 (5)(e)A person may operate on a highway a vehicle which 14 has a pneumatic tire in which are inserted ice grips or tire 15 studs if the person is a law enforcement officer operating a 16 vehicle owned by a law enforcement agency, a person operating an 17 ambulance, or a United States postal service rural carrier driv- 18 ing a vehicle the rural carrier owns and maintains as a prerequi- 19 site to employment in the postal service. 20 (6)(f)A person shall not operate a vehicle on a highway 21 when a tire in use on that vehicle is unsafe asprovided22 DESCRIBED in subsection(h)(8). 23 (7)(g)A person in the business of selling tires shall 24 not sell or offer for sale for highway use a tire which is unsafe 25 as provided in subsection(h)(8). 26 (8)(h)A tire is unsafe if it is in any of the following 27 conditions: 03160'97 19 1 (A)(i)Has a part of the belting material, tire cords, or 2plysPLIES exposed. 3 (B)(ii)Has evidence of cord or tread separations. 4 (C)(iii)Is worn to or below the minimum tread level in 2 5 or more adjacent major grooves at 3 or more locations spaced 6 around the circumference of the tire. Minimum allowable tread 7 levels are as follows: 8 9 motorcycles and moped..................1/32 inch front and rear 10 passenger cars and vehicles 11 weighing less than 10,000 12 pounds...............................2/32 inch front and rear 13 vehicles weighing 10,000 pounds 14 or more.........................4/32 inch front and 2/32 rear 15 Measurements shall not be made at locations of tread wear 16 indicators or tie bars. A motor vehicle licensed as an historic 17 vehicle under section 803a is exempt from the tread depth 18 requirements of this subsection. 19 (D)(iv)Has a marking "not for highway use", "for racing 20 purposes only", "for farm use only", or "unsafe for highway 21 use". 22 (E)(v)Has been regrooved or recut below the original 23 tread design depth except in the case of special purpose designed 03160'97 20 1 tires having extra undertread rubber provided for this purpose 2 and identified as those tires. 3 (9) A PERSON SHALL NOT OPERATE A FARM TRACTOR OR A 4 SELF-PROPELLED OR DRAWN IMPLEMENT OF HUSBANDRY ON A HIGHWAY WHEN 5 THE SPEED AT WHICH THE VEHICLE IS BEING OPERATED EXCEEDS THE 6 SPEED FOR WHICH THE TIRE IS RATED UNDER SUBSECTION (10). 7 (10) THE FOLLOWING REPRESENT THE INTERNATIONAL SPEED SYMBOLS 8 AND THE SPEED RATING REPRESENTED BY EACH SYMBOL: 9 SPEED SPEED SPEED 10 SYMBOLS CATEGORY CATEGORY 11 (KM/H) *(MPH) 12 A1 5 2.5 13 A2 10 5 14 A3 15 10 15 A4 20 12.5 16 A5 25 15 17 A6 30 20 18 A7 35 22.5 19 A8 40 25 20 B 50 30 21 C 60 35 22 D 65 40 23 E 70 43 24 F 80 50 25 G 90 55 03160'97 Final page. 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