The map is available in three different size/print configurations for easy printing.
Union Pacific continues to implement a process to help eliminate damage to rail infrastructure that can occur from the shipment of rail cars that exceed the maximum recommended gross weight. While much of Union Pacific's system is approved for the heavy axle rail cars that can handle up to 286,000 lbs. or 315,000 lbs. gross weight, in several Union Pacific locations, the track structure – in most cases, bridges – is not capable of adequately handling and distributing this excess weight. These restrictions are required to maintain our commitment to the safe, damage free delivery of our customer's shipments.
In order to address safety issues and to prevent damage, or potentially catastrophic failure, to track or a bridge structure, the system reviews all cars along with their routes, to determine if the gross weight limitations for that route are exceeded. If a car exceeds the gross weight limit for the requested route, it will automatically be placed in hold at origin (the car will show as "HY" on the web site car trace) and will not schedule for movement. If this occurs, the customer will be notified by the Overload Group at the NCSC. The customer then has the option to either reduce the load or divert it to another location that can handle the heavier weight.
Customers that are shipping heavy axle cars should use one of the following options to request an allowable gross weight clearance:
The Allowable Gross Weight Map provided here is for informational purposes only and does not show all industry track restrictions. Customers always should request clearance using the process described above to ensure no delays to their shipments occur. Increasing the weight limits on rail lines is a function of economics. Customers should work with their sales representative if a need arises to increase the weight limits to allow for heavy axle shipments.
Unit train shipments are excluded from this clearance process. The establishment of unit train service, including Grain Shuttle Trains, includes confirmation that origin, route and destination are capable of handling the gross weight of the cars in the service.
For general questions regarding overloads, customers can contact the Clearance Department at the NCSC by phone at 1-800-272-8777. This group will not clear shipments via phone.
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