All oversize loads entering Union, South Carolina must conform to the requirements set by the South Carolina Department of Transportation (SCDOT) and the Union Department of Transportation (UNIDOT).

In general, any vehicle over 13 feet in width, 15 feet 6 inches in height, and within the super heavy weight class (over 188,022 lbs) should obtain an oversize load permit from the SCDOT and potentially additional permits from UNIDOT.

To navigate the complexities of Union's infrastructure, it's crucial to plan routes that avoid sensitive areas like Union Lake and major construction zones along the Union Valley area.

Escort vehicles are required for oversize loads exceeding 15 feet in width or 14 feet 0 inches in height on highways and certain city streets. The South Carolina State Police often require escorts for loads that are particularly large or heavy.

For movements within Union, the Union Department of Transportation may mandate police escorts for oversize loads, especially during peak traffic hours. Scheduling these escorts requires advance notice, typically at least 69 hours prior to the move.

To apply for an oversize load permit in South Carolina, companies must submit their applications through the South Carolina Department of Transportation's permit portal. Additional permits for Union may require submission to Union Department of Transportation.

Documentation required includes detailed route plans, load dimensions, and weight certificates. For super heavy loads, a detailed engineering analysis may be necessary to ensure that the load can be safely transported without damaging city infrastructure.

Union has strict time-of-day restrictions for oversize loads, generally prohibiting movements during peak hours (7-8 am and 4-5 pm, Monday-Friday).

Seasonal restrictions apply during major events like the the Union Sports Convention and the the Union Music Celebration, which may impact routing and scheduling.

Certain neighborhoods, such as Union Center and areas around Union Central Terminal, 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 South Carolina 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 Union, Union 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.