What is the 150 Air-Mile Ag Exemption?
The 150 air-mile agricultural exemption is a regulatory provision under the Federal Motor Carrier Safety Administration (FMCSA) that provides Hours-of-Service (HOS) relief to drivers transporting agricultural commodities. This exemption allows drivers to bypass certain federal logging requirements when operating within a specific radius of the source of the agricultural product.
Regulatory Scope and Mechanics
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The 150-Mile Radius: The exemption applies when a driver is transporting agricultural commodities within a 150 air-mile radius from the Ag source location. An “air-mile” is a straight-line distance, distinct from standard road miles.
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Applicable Regulations: When operating within this radius, the driver is exempt from the requirement to use an Electronic Logging Device (ELD) and is not bound by the standard HOS limits (such as the 11-hour driving limit or 14-hour on-duty window).
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Transition Points: Once the driver travels beyond the 150 air-mile radius, the exemption ends, and the driver must immediately begin recording their hours in compliance with standard federal regulations.
Eligibility and Requirements
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Commodity Definition: The exemption applies to “agricultural commodities,” which includes unprocessed agricultural products such as livestock, raw crops, and other farm-grown goods.
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Operational Status: The exemption is only active while the driver is physically engaged in the transportation of these commodities. It typically does not apply to the return trip once the commodities have been delivered unless the driver is hauling other qualifying agricultural supplies back to the source.
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Documentation: While not required to use an ELD within the radius, drivers and carriers must still maintain accurate records of delivery, origin, and distance to prove eligibility during a roadside inspection or audit.
Operational Importance
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Flexibility During Harvest: This provision is critical during peak seasonal harvest periods. It provides the logistical flexibility needed to move perishable goods from the field to storage or processing facilities without the constraints of rigid driving time limits.
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Compliance Management: Because the exemption triggers based on distance from the source, it is often paired with “Proactive boundary alerts” and GPS tracking systems. Fleet managers use these tools to automatically notify drivers when they are nearing the 150-mile limit, ensuring a seamless and compliant transition from exempt status to regulated on-road driving.
