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The commercial zone of Kansas City only applies to operating authority and registration in Kansas. The increased weight exceptions in the commercial zone are only in Missouri.
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Single vehicle, 45 feet
except for cylindrically shaped (round) hay bales, for which the maximum height 14 ½ feet tall. (KSA 8-1904)
There are some exceptions for farm tractors, hay bales, etc. found in KSA 8-1902.
The maximum weight is 90,000 lbs., with a minimum of six axles, and cannot be operated on the interstate. A special bridge chart is found in KSA 8-1919.
Doubles may be pulled anywhere, so long as the trailers are not over 28 ½ feet in length each, except on the Kansas Turnpike, where double 53-foot trailers are legal.
Triple trailers are only allowed on the Kansas Turnpike with a “special vehicle combination” (SVC) annual permit (KAR 36-1-28). Turnpike access routes include all routes between the Turnpike and a motor freight terminal located within a 10-mile radius of each toll booth, except at the northeastern end of the Turnpike where a 20-mile radius is allowed. SVC access routes include all routes between the Interstate and a motor freight terminal located within 5 miles of the Interstate at Goodland.