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Extended B-Trains May Be A-OK with Permit in BC

LANGLEY, BC — The Commercial Vehicle Safety and Enforcement (CVSE) is willing to temporarily allow changes to B-train dimension limits in BC on a permit basis, the BC Trucking Association (BCTA) reports.

Last year in May, the BCTA recommended the CVSE support changes to B-train dimensions as follows:

  • a maximum overall length of 27.5 metres for B-trains (including a “moose bumper” or other front-mounted auxiliary equipment); and
  • a maximum tractor wheelbase of up to 6.2 metres with an overall box length of 20.0 metres; or
  • a maximum tractor wheelbase of up to 7.2 metres with box lengths less than 20.0 metres.

“Extending the overall length of B-trains is to accommodate longer wheelbase tractors while maintaining the 20-metre box length that is common for this combination,” the BCTA claims.

The CVSE is not ready to commit to a regulatory change, but has proposed the extended dimensions be allowed with a permit after running a test pilot.

The purpose of a short pilot would be to solidify the permitting process, assess feasibility, and iron out any wrinkles that might exist.

The BCTA is looking for a carrier willing to participate in the pilot. If your company would benefit from having access to extended B-train dimensions and you want to see the regulations amended, contact Pedram Mohseni, BCTA’s Policy Analyst, at or 604-888-5319, ext. 217, (or toll-free at 1-800-565-2282) by Friday, June 6, 2014.




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