Private Fleets Back Higher Truck Weight Limit

October 9, 2015

By David Cullen

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A House bill would let states set a 91,000-pound weight limit on highway rigs fitted with a sixth axle, similar to this truck built for operation in Maine.
A House bill would let states set a 91,000-pound weight limit on highway rigs fitted with a sixth axle, similar to this truck built for operation in Maine.

The National Private Truck Council is now throwing its own weight behind the legislative effort to allow individual states to increase the federal vehicle weight limit to 91,000 pounds for tractor-trailers that are equipped with a sixth axle.

Although NPTC is a member of the most active lobby for upping the federal GCW limit, the Coalition for Transportation Productivity, the association that represents some 600 private fleets said on October 9 that it has directly voiced its support for truck-weight reform in a letter sent to the members of the House Transportation and Infrastructure Committee.

That committee is charged with drawing up the House version of the long-overdue highway bill, which NPTC wants to see incorporate the Safe, Flexible and Efficient (SAFE) Trucking Act (H.R. 3488) introduced in September by Rep. Reid Ribble (R-WI).

NPTC contends that Ribble’s measure would give states the “flexibility to safely confront highway capacity issues” by letting carriers run heavier, six-axle trucks on Interstate highways within their borders.

“H.R. 3488 would improve options for enhancing productivity,” wrote Gary Petty, president and CEO of NPTC. He stressed that the association “would not support this legislation if our members thought that it might diminish safety or harm highway or bridge infrastructure.” 

Petty also called out the railroad lobby's effort to derail Ribble’s proposal. “We understand that the railroad industry and their surrogates are opposed to this bill,” he wrote. “But railroad interests should not hold a veto over highway transportation policy.  They should compete for freight in a free and fair marketplace that allows for productivity enhancements for all modes.”

He also made the point that H.R. 3488 “does not mandate anything. It would merely allow the state governments to permit truck combinations up to 91,000 pounds in a six-axle configuration to use the Interstate highways in their state. State agencies would retain the ability to limit or even prohibit use of these vehicles when safety dictates otherwise. Moreover, use of six-axle vehicles at 91,000 lbs. would not create additional harm for pavement or bridges.”

The NPTC letter is the latest word from a trucking-affiliated group that has publicly stated that it is either for, against, or (for lack of a better word) neutral on Ribble’s SAFE Act.

In a Sept. 16 letter sent to Ribble, the Truckload Carriers Association argued strongly against allowing the increase in the weight limit. Recognizing that the bill “attempts to improve trucking productivity on our highways,” TCA stated that it opposes the measure because “it clearly would only benefit a minority of the industry.”

The truckload group also contended that the cost to properly equip trailers and tractors to take advantage of the higher weight limit would not be compensated by rate increases, yet carriers would be compelled by customers to invest in the more costly equipment.

Like TCA, The Trucking Alliance, a coalition of trucking businesses that lobbies for safety improvements, does not support the bill. “This legislation wasn't written to benefit trucking companies, because it would drive up operating costs, drive down truck driver wages and curtail investments in safety technologies,” Lane Kidd, the Alliance’s Managing Director, told HDT.

When asked by HDT if the American Trucking Associations had any reaction to the bill, ATA spokesperson Sean McNally replied, “No, we don’t.”

NPTC’s letter may be read online.


  1. 1. DOUGLAS LIGHT [ October 13, 2015 @ 01:25PM ]

    I work for Tomar Inc. in Keyser,WV. We see alot of out of state trucks coming through our area. Interstate 68 near Cumberland,MD. always has trucks with hot brakes. Parsons,WV always has drivers that are unfamiliar with our area with hot brakes & accidents because of heavy loads. Personally I think the trucks brakes now can not handle more weights. I don"t know why truck fleets would want to haul more weight unless they are getting paid by the weight. Maybe they should be charging by the mile.
    There seams to be a'lot of truck accidents these days. I think if the weights go up there will be a'lot more accidents. Sometimes I think the Shippers push for heavier weights. When I started driving in 1983 we were pulling 45' vans, then 48' vans. now we pull 53' vans because of shippers wanting to put more freight in the vans. When does it stop?

  2. 2. slm [ October 22, 2015 @ 06:45AM ]

    Truck manufacturers are working to "light weight" trucks to allow more weight for freight and now we are looking at allowing even heavier loads. The combination of lighter trucks and heavier loads will make the combination less controllable and less safe for truck drivers and the motoring public. Douglass is right, when does it stop?


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