All oversize loads entering Shelton, Washington must conform to the requirements set by the Washington Department of Transportation (WADOT) and the Shelton Department of Transportation (SHEDOT).

In general, any vehicle over 11 feet in width, 13 feet 0 inches in height, and within the super heavy weight class (over 177,005 lbs) should obtain an oversize load permit from the WADOT and potentially additional permits from SHEDOT.

To navigate the complexities of Shelton's infrastructure, it's crucial to plan routes that avoid sensitive areas like the Shelton Marketplace and major construction zones along the Shelton International Airport area.

Escort vehicles are required for oversize loads exceeding 14 feet in width or 15 feet 6 inches in height on highways and certain city streets. The Washington State Police often require escorts for loads that are particularly large or heavy.

For movements within Shelton, the Shelton Department of Transportation may mandate police escorts for oversize loads, especially during peak traffic hours. Scheduling these escorts requires advance notice, typically at least 39 hours prior to the move.

Permit applications in Shelton must be submitted through the WADOT's online permitting system. Carriers should be prepared to provide comprehensive vehicle specifications, proposed routes, and transport schedules.

Applications must include certified weight tickets, dimensional diagrams, and route surveys. For loads that may impact traffic flow in Shelton, a traffic management plan may also be required as part of the application process.

Shelton has strict time-of-day restrictions for oversize loads, generally prohibiting movements during peak hours (7-8 am and 3-5 pm, Monday-Friday).

Seasonal restrictions apply during major events like the the Shelton Sports Celebration and the the Shelton Heritage Marathon, which may impact routing and scheduling.

Certain neighborhoods, such as Downtown Shelton and areas around Shelton Research Park, have restricted access for oversize loads. Alternative routes should be planned in advance to avoid these areas.

The base permit fee for an oversize load in Washington is $40, with additional fees for super heavy loads (over 200,000 lbs) ranging from $150 to $350 depending on the complexity of the move.

For movements within Shelton, Shelton Department of Transportation may charge additional fees for city-specific permits, which can range from $75 to $500 or more for particularly complex routes or those requiring extensive coordination with city agencies.