| (40) Overhang--The portion of a load extending beyond
the front or rear of a vehicle or combination of vehicles.
(41) Overheight--A vehicle or load that exceeds the
maximum height specified in Transportation Code, §621.207.
(42) Overlength--A vehicle, combination of vehicles,
or a vehicle or vehicle combination and its load that exceed(s) the
maximum length specified in Transportation Code, §§621.203,
621.204, 621.205, and 621.206.
(43) Oversize load--A vehicle, combination of vehicles,
or a vehicle or vehicle combination and its load that exceed(s) maximum
legal width, height, length, or overhang, as set forth by Transportation
Code, Chapter 621, Subchapter C.
(44) Overweight--A vehicle, combination of vehicles,
or a vehicle or vehicle combination and its load that exceed(s) the
maximum weight specified in Transportation Code, §621.101.
(45) Overwidth--A vehicle or load that exceeds the
maximum width specified in Transportation Code, §621.201.
(46) Permit--Authority for the movement of an oversize
and/or overweight vehicle, combination of vehicles, or a vehicle or
vehicle combination and its load, issued by the department under Transportation
Code, Chapter 623.
(47) Permit officer--An employee of the department
who is authorized to issue an oversize/overweight permit.
(48) Permit plate--A license plate issued under Transportation
Code, §502.146, to a crane or an oil well servicing vehicle.
(49) Permitted vehicle--A vehicle, combination of vehicles,
or vehicle and its load operating under the provisions of a permit.
(50) Permittee--Any person, firm, or corporation that
is issued an oversize/overweight permit by the department.
(51) Pipe box--A container specifically constructed
to safely transport and handle oil field drill pipe and drill collars.
(52) Portable building compatible cargo--Cargo, other
than a portable building unit, that is manufactured, assembled, or
distributed by a portable building unit manufacturer and is transported
in combination with a portable building unit.
(53) Portable building unit--The pre-fabricated structural
and other components incorporated and delivered by the manufacturer
as a complete inspected unit with a distinct serial number whether
in fully assembled, partially assembled, or kit (unassembled) configuration
when loaded for transport.
(54) Principal--The person, firm, or corporation that
is insured by a surety bond company.
(55) Roll stability support safety system--An electronic
system that monitors vehicle dynamics and estimates the stability
of a vehicle based on its mass and velocity, and actively adjusts
vehicle systems including the throttle and/or brake(s) to maintain
stability when a rollover risk is detected.
(56) Shipper's certificate of weight--A form approved
by the department in which the shipper certifies to the maximum weight
of the shipment being transported.
(57) Single axle--An assembly of two or more wheels
whose centers are in one transverse vertical plane or may be included
between two parallel transverse planes 40 inches apart extending across
the full width of the vehicle.
(58) Single-trip permit--A permit issued for an overdimension
load for a single continuous movement over a specific route for an
amount of time necessary to make the movement.
(59) State highway--A highway or road under the jurisdiction
of the Texas Department of Transportation.
(60) State highway system--A network of roads and highways
as defined by Transportation Code, §221.001.
(61) Surety bond--An agreement issued by a surety bond
company to a principal that pledges to compensate the Texas Department
of Transportation for any damage that might be sustained to the highways
and bridges by virtue of the operation of the equipment for which
a permit was issued. A surety bond is effective the day it is issued
and expires at the end of the state fiscal year, which is August 31st.
For example, if you obtain a surety bond on August 30th, it will expire
the next day at midnight.
(62) Tare weight--The empty weight of any vehicle transporting
an overdimension load.
(63) Temporary vehicle registration--A 72-hour temporary
vehicle registration, 144-hour temporary vehicle registration, or
one-trip registration.
(64) Three-axle group--Any three consecutive axles,
having at least 40 inches from center of axle to center of axle, whose
extreme centers are not more than 144 inches apart, and are individually
attached to or articulated from, or both, to the vehicle by a weight
equalizing suspension system.
(65) Time permit--A permit issued for a specified period
of time under §219.13 of this title (relating to Time Permits).
(66) Tire size--The inches of lateral tread width.
(67) Traffic control device--All traffic signals, signs,
and markings, including their supports, used to regulate, warn, or
control traffic.
(68) Trailer mounted unit--An oil well clean-out, drilling,
servicing, or swabbing unit mounted on a trailer, constructed as a
machine used for cleaning out, drilling, servicing, or swabbing oil
wells, and consisting in general of, but not limited to, a mast, an
engine for power, a draw works, and a chassis permanently constructed
or assembled for this purpose.
(69) Truck--A motor vehicle designed, used, or maintained
primarily for the transportation of property.
(70) Truck blind spot systems--Vehicle-based sensor
devices that detect other vehicles or objects located in the vehicle's
adjacent lanes. Warnings can be visual, audible, vibrating, or tactile.
(71) Trunnion axle--Two individual axles mounted in
the same transverse plane, with four tires on each axle, that are
connected to a pivoting wrist pin that allows each individual axle
to oscillate in a vertical plane to provide for constant and equal
weight distribution on each individual axle at all times during movement.
(72) Trunnion axle group--Two or more consecutive trunnion
axles whose centers are at least 40 inches apart and which are individually
attached to or articulated from, or both, to the vehicle by a weight
equalizing suspension system.
(73) Two-axle group--Any two consecutive axles whose
centers are at least 40 inches but not more than 96 inches apart and
are individually attached to or articulated from, or both, to the
vehicle by a weight equalizing suspension system.
(74) TxDOT--Texas Department of Transportation.
(75) Unit--Oil well clean-out unit, oil well drilling
unit, oil well servicing unit, and/or oil well swabbing unit.
(76) Unladen lift equipment motor vehicle--A motor
vehicle designed for use as lift equipment used solely to raise, shift,
or lower heavy weights by means of a projecting, swinging mast with
an engine for power on a chassis permanently constructed or assembled
for such purpose.
(77) USDOT Number--The United States Department of
Transportation number.
(78) Variable load suspension axles--Axles, whose controls
must be located outside of and be inaccessible from the driver's compartment,
that can be regulated, through the use of hydraulic and air suspension
systems, mechanical systems, or a combination of these systems, for
the purpose of adding or decreasing the amount of weight to be carried
by each axle during the movement of the vehicle.
(79) Vehicle identification number--A unique and distinguishing
number assigned to a vehicle by the manufacturer or by the department
in accordance with Transportation Code, §501.032 and §501.033.
(80) Water Well Drilling Machinery--Machinery used
exclusively for the purpose of drilling water wells, including machinery
that is a unit or a unit mounted on a conventional vehicle or chassis.
(81) Weight-equalizing suspension system--An arrangement
of parts designed to attach two or more consecutive axles to the frame
of a vehicle in a manner that will equalize the load between the axles.
(82) Windshield sticker--Identifying insignia indicating
that a permit has been issued in accordance with Subchapter C of this
chapter.
(83) Year--A time period consisting of 12 consecutive
months that commences with the effective date stated in the permit.
(84) 72-hour temporary vehicle registration--Temporary
vehicle registration issued by the department authorizing a vehicle
to operate at maximum legal weight on a state highway for a period
not longer than 72 consecutive hours, as prescribed by Transportation
Code, §502.094.
(85) 144-hour temporary vehicle registration--Temporary
vehicle registration issued by the department authorizing a vehicle
to operate at maximum legal weight on a state highway for a period
not longer than 144 consecutive hours, as prescribed by Transportation
Code, §502.094.
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| Source Note: The provisions of this §219.2 adopted to be effective October 13, 1994, 19 TexReg 7809; amended to be effective December 26, 1995, 20 TexReg 10655; amended to be effective July 9, 1996, 21 TexReg 5982; amended to be effective January 8, 1998, 23 TexReg 155; amended to be effective February 21, 1999, 24 TexReg 1221; amended to be effective January 9, 2005, 29 TexReg 12246; amended to be effective June 1, 2008, 33 TexReg 3776; transferred effective January 1, 2012, as published in the Texas Register January 27, 2012, 37 TexReg 359; amended to be effective June 28, 2015, 40 TexReg 4003; amended to be effective December 14, 2015, 40 TexReg 8900;amended to be effective July 2, 2017, 42 TexReg 3280; amended to be effective July 15, 2018, 43 TexReg 4769; amended to be effective December 30, 2020, 45 TexReg 9582 |
