WAC 468-38-075
Special permit exemptions for authorized
vehicles and/or loads. (1) What special permit
requirements/restrictions are exempted for an authorized
overlength vehicle and/or load? The following exemptions for
authorized overlength vehicles and/or loads include:
(a) The requirement to display "OVERSIZE LOAD" signs (WAC 468-38-155(7));
(b) The requirement to cease operation on routes governed
by commuter hour restrictions, and during holiday travel
restrictions (WAC 468-38-175 (1) and (2));
(c) The requirement that approved night movement be
stated on the special permit (WAC 468-38-175(3)); and
(d) The restriction for movement during winter road
conditions when the following sign is displayed: "TRACTION
ADVISORY/OVERSIZED VEHICLES PROHIBITED" (WAC 468-38-095(8)). In
addition to being an authorized vehicle, the vehicle must also
comply with WAC 204-24-050 Use of tire chains or other
traction devices.
(2) What overlength vehicles and/or loads are authorized
to receive the exemptions? The following vehicles and/or
loads are exempted from the requirements/restrictions
identified in subsection (1) of this section:
(a) A truck-tractor/semi-trailer combination where the
single trailer does not exceed fifty-six feet, including load;
(b) A truck-tractor/semi-trailer/trailer combination
where the combined trailer length does not exceed sixty-eight
feet, including load;
(c) A vehicle or vehicle combination with a front
overhang not exceeding four feet beyond the three foot legal
limit set in RCW 46.44.034 (see also bumper criteria set in
RCW 46.37.517), and/or a rear overhang not exceeding fifteen
feet;
(d) A single unit fixed load vehicle not exceeding an
overall length of forty-five feet including the allowable
overhangs in (c); and
(e) A nondivisible load, including the trailer upon which
it is carried, not exceeding sixty-one feet.
(3) Are there exemptions for permitted vehicles exceeding
legal height or width? Yes. A vehicle or vehicle combination
that does not exceed a defined envelope of twelve feet wide,
fourteen feet six inches high and an overall combined length
of one hundred five feet is exempt from the restriction on
movement at night, as referenced in subsection (1)(c) of this
section.
(4) Are there exemptions for vehicles operating with an
overweight special permit? Yes. A vehicle or vehicle
combination operating on a special permit for overweight only,
in compliance with all legal dimension limits, is exempt from
all of the requirements/restrictions included in subsection
(1)(a) through (d) of this section: Provided, That the
vehicle or vehicle combination can maintain posted speed
limits. This exemption may be used in conjunction with the
height and width exemption in subsection (3) of this section.
[Statutory Authority: RCW 46.44.090. 06-07-025, §
468-38-075, filed 3/7/06, effective 4/7/06; 05-04-053, §
468-38-075, filed 1/28/05, effective 2/28/05; 02-06-106, §
468-38-075, filed 3/5/02, effective 4/5/02; 94-07-055 (Order
143), § 468-38-075, filed 3/11/94, effective 3/11/94;
93-21-008 (Order 139), § 468-38-075, filed 10/8/93, effective
11/8/93.]