Only eight states allowed a truck to tow two trailers, but lengths varied and none of the eight were contiguous. Then congress added a provision in the FAST Act that legalized tandem towing in all states, and liberalized combination length.
Twin 33s Issue Revived in Constitution-Related Bill
Double 33-foot trailers were pulled from last December's spending bill by senators who objected on safety grounds, but as Tom Berg explores in his Trailer Talk blog, they may not be dead yet.
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