2005 Idaho Code - 49-1010 — SIZE OF VEHICLES AND LOADS

                                  TITLE  49
                                MOTOR VEHICLES
                                  CHAPTER 10
                      WEIGHT, SPEED AND TIRE REGULATIONS
    49-1010.  SIZE OF VEHICLES AND LOADS. No vehicle shall exceed the
dimensions specified below, except that certain devices determined by the
board as necessary for the safe and efficient operation of motor vehicles,
including energy conservation devices, shall be excluded from the calculation
of width or length.
    (1)  The width of a vehicle, including any load thereon, except as noted
below, shall not exceed .......................................... 8 1/2 feet.
    (a)  The limitations as to size of vehicles stated in this section shall
    not apply to farm tractors or to implements of husbandry, including any
    load thereon, or any trailer not wider than the implement of husbandry
    used in the transportation of implements of husbandry for agricultural
    operations, and including all equipment used in land leveling operations,
    when being incidentally operated upon the highway from one (1) farm
    operation to another during daylight hours.
    (b)  Notwithstanding the exemption from width limitation for farm tractors
    included in paragraph (a) of this subsection, the total outside width of
    any farm tractor being transported on the interstate system in this state,
    except as permitted by section 49-1004, Idaho Code, shall not exceed
    .................................................................. 9 feet.
    (c)  A farm tractor or implement of husbandry, when being incidentally
    transported upon the highway with a width in excess of the limits of
    paragraphs (a) and (b) of this subsection, must display one (1) red or
    fluorescent orange flag a minimum of twelve (12) by twelve (12) inches on
    the outermost left projection of the tractor or implement being
    transported.
    (2)  The height of a vehicle, including the load thereon, shall not exceed
..................................................................... 14 feet.
    (3)  The length of a vehicle, or vehicle combination, except as noted
below shall not exceed:
    (a)  When a single motor vehicle ................................ 45 feet.
    (b)  When a trailer or semitrailer, except as noted below ....... 48 feet.
         1.  Semitrailers operating on routes determined by the board to have
         severe curvature, deficient width and/or heavy traffic conditions
         shall be limited to an overall combination length not to exceed
         ............................................................ 65 feet.
         2.  The length of a trailer tongue, or the length of the tongue of a
         converter gear used to convert a semitrailer to a trailer, shall be
         excluded from the calculation of a trailer length.
         3.  Semitrailers operating on routes which are a part of the national
         network as set forth in 23 CFR 658, on routes providing access
         between the national network and terminals and facilities for food,
         fuel, repairs and rest which are located within one (1)  road mile of
         the national network and state highways as set forth by policy and
         approved by the transportation board shall not exceed a length of
         ............................................................ 53 feet.
    (c)  When a motor vehicle and one (1) or more trailers, except as noted in
    subsections (3)(b), (3)(d) and (3)(e) of this section ........... 75 feet.
    (d)  When a combination of semitrailer and trailer, or of two (2)
    semitrailers the length in such combination, including the connecting
    tongue and excluding the truck tractor except as noted below .... 61 feet.
         When the combination of semitrailer and trailer or of two (2)
    semitrailers including the connecting tongues exceeds sixty-one (61) feet,
    the length of such combination including the truck tractor ...... 75 feet.
    (e)  When a combination of a semitrailer and trailer, or of two (2)
    semitrailers operating on routes on the national network as set forth in
    23 CFR 658, and on routes providing access between the national network
    and terminals and facilities for food, fuel, repairs and rest which are
    located within one (1) road mile of the national network, the length,
    including the connecting tongue and excluding the truck tractor, shall not
    exceed .......................................................... 68 feet.
    (f)  When a dromedary tractor with semitrailer, stinger-steered by having
    the kingpin located five (5) feet to the rear of the centroid of the rear
    axle(s) ......................................................... 75 feet.
    (g)  When a dromedary combination transporting class 1 explosive materials
    and/or any munitions-related security material as specified by the U.S.
    department of defense in compliance with 49 CFR 177.835, not meeting the
    stinger-steer requirement as defined in subsection (3)(f) of this section,
    up to ........................................................... 75 feet.
    (h)  When a dromedary tractor with semitrailer, not meeting the
    stinger-steer requirement as defined in subsection (3)(f) of this section
    ................................................................. 65 feet.
    (i)  When an auto transporter or boat transporter, stinger-steered as
    defined in subsection (3)(f) of this section, excluding front and rear
    overhang of load ................................................ 75 feet.
    (j)  When an auto transporter or boat transporter, not meeting the
    stinger-steer requirement as defined in subsection (3)(f) of this section,
    excluding front and rear overhang of load ....................... 65 feet.
    (k)  When a truck tractor with stinger-steered pole trailer or log dolly,
    connected by a reach or pole, or a combination used for transporting long
    loads such as poles, pipes, logs or structural members generally capable
    of sustaining themselves as beams between supporting bunks or connections
    ................................................................. 75 feet.
    (4)  The overhang or extension of a load shall not extend:
    (a)  Beyond the front of a vehicle, more than .................... 4 feet.
    (b)  Beyond the end of a vehicle, more than ..................... 10 feet.
    (c)  Beyond the left fender of a passenger vehicle, more than .... 0 feet.
    (d)  Beyond  the  right fender of a  passenger  vehicle,  more  than
    ................................................................ 6 inches.
    (e)  To the front and rear combined of an auto transporter or boat
    transporter, more than ............................................7 feet.
    (5)  Noncargo-carrying devices necessary for the safe and efficient
operation of the vehicle, as determined by the board, shall not be included in
measurement for length.
    (6)  No combination shall include more than three (3) units except when a
saddlemount combination ............................................. 75 feet.
    (7)  Vehicle combinations consisting of not more than four (4) vehicle
units with an overall length in excess of the limits of subsection (3) of this
section and with an overall combination length not to exceed one hundred
fifteen (115) feet, may be operated by permit on routes designated for such
operations by the public highway agency having jurisdiction over that highway
system, subject to the following restrictions as to lengths of cargo-carrying
units:
    (a)  Truck tractor and two (2) trailing units ................... 95 feet.
    (b)  Truck tractor and three (3) trailing units ................. 95 feet.
    (c)  Truck and two (2) trailing units ........................... 98 feet.