All oversize loads entering Clarkston, Utah must conform to the requirements set by the Utah Department of Transportation (UTDOT) and the Clarkston Department of Transportation (CLADOT).

In general, any vehicle over 12 feet in width, 15 feet 6 inches in height, and within the super heavy weight class (over 258,085 lbs) should obtain an oversize load permit from the UTDOT and potentially additional permits from CLADOT.

To navigate the complexities of Clarkston's infrastructure, it's crucial to plan routes that avoid sensitive areas like Clarkston Port Authority and major construction zones along the Downtown Clarkston area.

Escort vehicles are required for oversize loads exceeding 16 feet in width or 14 feet 6 inches in height on highways and certain city streets. The Utah State Police often require escorts for loads that are particularly large or heavy.

For movements within Clarkston, the Clarkston Department of Transportation may mandate police escorts for oversize loads, especially during peak traffic hours. Scheduling these escorts requires advance notice, typically at least 63 hours prior to the move.

Permit applications in Clarkston must be submitted through the UTDOT'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 Clarkston, a traffic management plan may also be required as part of the application process.

Clarkston 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 Clarkston Winter Show and the the Clarkston Holiday Fair, which may impact routing and scheduling.

Certain neighborhoods, such as Downtown Clarkston and areas around Clarkston Historic District, 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 Utah 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 Clarkston, Clarkston 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.