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Washington: permisos de carga sobredimensionada

Límites legales de tamaño/peso, umbrales de escolta, restricciones de circulación y contacto de la oficina de permisos para Washington.

Dimensiones máximas legales (sin permiso)

Ancho
8.5ft (102in)
Altura
14ft (168in)
Longitud máxima del semirremolque
53ft
Peso bruto
80,000 lbs
Eje sencillo
22,000 lbs
Eje tándem
34,000 lbs

RCW 46.44.020: unlawful for any vehicle unladen or with load to exceed 14 ft (168 in). Note the liability rule in the same section: no liability attaches to the state or any local authority for a structure with 14 ft or more of clearance, or for one with less if approved impaired-clearance signs are posted. Below 14 ft, posted signage shifts the risk to the driver.

Fuente oficial de este límite de altura →

RCW 46.44.030(2)(a) caps "a semitrailer length in excess of 53 feet" — statewide, all public highways, with NO road-class split (contrary to expectation). There is no overall cap on a tractor-semitrailer in Washington. ⚠️ Our previous 75 ft, and the 61 ft figure also seen for WA, belong to DIFFERENT CONFIGURATIONS, not different roads. WSDOT's own guide says "Single trailers may not exceed 53 feet... The legal length of combination vehicles may vary", which secondary sources routinely mangle into "the legal length limit for a tractor/trailer combination is 53 feet" — that is false in the other direction.

Fuente oficial de estos límites de longitud →

Umbrales de escolta / vehículo piloto (consulta el glosario para los términos, los requisitos de certificación para el conductor)

Estas cifras de escolta dependen de la ruta: pueden cambiar según la clasificación de la vía, el ancho del carril, si la carretera es de dos o de varios carriles, y la hora del día. Confirme con la oficina de permisos antes de despachar.

Escolta delantera requerida por encima de
11ft de ancho
Escolta trasera requerida por encima de
11ft de ancho
Ambas escoltas requeridas por encima de
11ft de ancho
Escolta de altura requerida por encima de
14.5ft de alto

Per WAC 468-38-100 / DOT Form 560-002 (Rev 07/2023). WIDTH: over 11 ft (132 in) on two-lane highways requires TWO escorts (front + rear); over 14 ft (168 in) on multilane highways requires ONE rear escort; over 20 ft (240 in) on multilane UNDIVIDED highways requires TWO escorts. HEIGHT: over 14'6" (174 in) requires a front escort with a height-measuring pole (manufactured housing: front height-pole escort over 15 ft / 180 in). LENGTH: trailer+load over 105 ft requires a rear escort on two-lane highways, over 125 ft requires a rear escort on multilane; rear overhang over 1/3 of trailer length (two-lane) or over 20 ft on a single unit (two-lane) requires a rear escort. Over 12 ft wide on a multilane highway when a front height-pole escort is already required adds a rear escort. No fixed weight-based escort trigger, but WSDOT may require escorts at its discretion. No mandatory police-escort width/weight threshold in WAC 468-38-100.

Restricciones de circulación

Circulación nocturna
Generalmente permitida
Circulación en fin de semana
Generalmente permitida
Circulación en domingo
Generalmente permitida

Night travel (WAC 468-38-075): loads within 12 ft wide x 14'6" high x 105 ft long may move at night; larger loads only if the permit states 'Nighttime movement approved' and only on Department-preferred hours/routes. Commuter curfews (DOT Form 560-002 pg 2) apply MONDAY-FRIDAY ONLY in metro areas (Seattle-Everett, Tacoma, Olympia, Vancouver, Kelso, Spokane) generally 6-9 AM and 3-7 PM (varies by segment), restricting loads that must display 'Oversize Load' signs, with per-segment width limits (9 ft, 10 ft, or 11'2" on Spokane I-90); over-width-only loads under the listed width limit are exempt. Winter: movement prohibited where 'Traction Advisory Oversize Vehicles Prohibited' signs are posted.

Bloqueos por festivos: New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, day after Thanksgiving Day, Christmas Day, and the afternoon of the day preceding each listed holiday.

Ve cómo se compara Washington con cada estado ›

Umbrales de supercarga

Ancho superior a
16ft
Altura superior a
16ft
Longitud superior a
125ft
Peso superior a
200,000 lbs

WSDOT superload = a vehicle or combination with a non-divisible load exceeding any one of: 16 ft wide (192 in), 16 ft high (192 in), 125 ft of load length, or 200,000 lbs. Superload requests must be submitted at least 30 days prior to movement.

Costo estimado del permiso Vigente

$10 oversize flat; overweight $0.07–$1.14/mile graduated, $14 min

Procesamiento típico: instant via self-issue portal

Fuente: WSDOT / RCW 46.44.0941 (2023).

Solo la tarifa del permiso — no incluye los costos del servicio de escolta/vehículo piloto (a precio de mercado, contratados por separado) ni las tarifas de servicios de permisos de terceros. Es una estimación con fines de planificación, no una cotización.

Obtener un permiso

Portal en línea
https://www.esnoopipro.com/
Teléfono
360-704-6340

Cascade pass closures possible Oct-April. Puget Sound ferry connections require separate permits.

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