Spring's unpredictable weather, characterized by alternating freeze-thaw cycles, poses a significant threat to road integrity. As temperatures rise, melted snow and ice infiltrate the pavement, weakening the underlying gravel. This increased moisture can reduce road strength by 50-70%, making the surface vulnerable to damage from heavy traffic. Conversely, when temperatures drop, the trapped water freezes and expands, causing pavement cracks and breaks.
Heavy vehicles, particularly trucks, exacerbate this damage. To mitigate this, Canadian provinces implement reduced load restrictions on trucks during the spring thaw, as mandated by the Highway Traffic Act. These restrictions are determined by scientific data, observed road conditions, vehicle weight and size, and highway classification. Due to the variability of spring weather, these restrictions are subject to change.
Impact on Shipments:
These weight restrictions can necessitate route adjustments, potentially affecting transit times and delivery dates. It is crucial to stay informed about provincial weight restrictions and plan shipments accordingly.
Specifically, shipments traversing Quebec will be subject to the following maximum payload and axle weight limitations:
Refrigerated Trucks (Reefers):
Maximum Payload: 43,000 lbs
Axle Weights: 12,000 lbs (tractor steer axle), 34,000 lbs (tractor drive axles), 34,000 lbs (trailer drive axles)
Dry Vans:
Maximum Payload: 44,000 lbs
Axle Weights: 12,000 lbs (tractor steer axle), 34,000 lbs (tractor drive axles), 34,000 lbs (trailer drive axles)
These maximum payloads include the weight of all products, packaging, and pallets.
Okay, let's expand on the "Impact on Shipments" section, adding more detail and practical advice for shippers:
Impact on Shipments:
These weight restrictions can necessitate route adjustments, potentially affecting transit times and delivery dates. It is crucial to stay informed about provincial weight restrictions and plan shipments accordingly. Failure to adhere to these restrictions can result in significant fines, delays, and even impoundment of vehicles, disrupting supply chains and incurring unexpected costs.
Specifically, shipments traversing Quebec will be subject to the following maximum payload and axle weight limitations:
These maximum payloads include the weight of all products, packaging, and pallets. Carriers must meticulously calculate the total weight of their loads to ensure compliance. This may require detailed product weight information and accurate pallet and packaging weight estimations.
Furthermore, the dynamic nature of spring thaw conditions means these restrictions can change with little notice. Carriers and dispatch should take the following proactive steps:
Proactive planning and flexibility are essential for navigating the challenges of spring shipping. By staying informed and adapting to changing conditions, you can minimize disruptions and maintain efficient operations during this critical period.
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