All oversize loads entering the City of Larchwood, located in Lyon County, must conform to the requirements set by the Iowa Department of Transportation.

In general, any vehicle over 12 feet in width, 14 feet in height, and within the Class 3 weight category (over 80,000 lbs but not exceeding 90,000 lbs for divisible loads with a permit, or indivisible loads as per Iowa DOT regulations) should obtain an oversize load permit from the Larchwood Public Works Department.

Larchwood requires compliance with Iowa Code Chapter 321E, which governs oversize and overweight vehicles. The permit ensures safe passage and minimizes disruptions to local traffic and infrastructure.

Escort vehicles are required in Larchwood for loads exceeding 16 feet in width or 18 feet in height. Escorts must be certified and comply with Iowa DOT regulations regarding escort vehicle equipment and operations.

For loads requiring a police escort, arrangements must be made through the Lyon County Sheriff's Office at least 48 hours in advance. Fees for police escorts are determined by the Lyon County Sheriff's Office and are payable directly to them.

To apply for an oversize load permit in Larchwood, applicants should visit the Iowa Department of Transportation's online permit portal or contact the Larchwood Public Works Department directly at (712) 555-0123. Required documentation includes proof of insurance, detailed load dimensions, and proposed route information.

The Larchwood Public Works Department reviews applications to ensure compliance with local regulations and Iowa DOT guidelines.

Oversize loads are restricted from traveling during peak hours (7-9 am and 4-6 pm, Monday through Friday) in Larchwood to minimize traffic congestion.

During periods of heavy rain or snow, oversize load permits may be suspended or restricted. It is the responsibility of the permit holder to check with the Larchwood Public Works Department for any weather-related restrictions.

Certain local streets and bridges may be restricted or closed to oversize loads due to maintenance or construction. Permit holders should consult with the Larchwood Public Works Department for the most current route information.

The standard permit fee for oversize loads in Larchwood is $50. Additional fees may apply based on the complexity of the route, required escorts, or other factors as determined by the Larchwood Public Works Department.

For divisible loads exceeding 80,000 lbs, an additional fee of $0.05 per ton-mile is assessed for the overweight portion of the load.