2 Increased speed limit
In Schedule 6 to the Road Traffic Regulation Act 1984 (speed limits for vehicles of certain classes), in Part I after the Table insert—

“For a vehicle falling within class 5(2)(b) above, the maximum speed while the vehicle is being driven on a part of the M9/A9 Trunk Road specified in the Schedule to the HGV Speed Limit (M9/A9 Trunk Road) Regulations 2014 is 50 miles per hour (rather than 40 miles per hour as specified in column 3(c) of the Table above).”

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There are amendments to Schedule 6 which are not relevant to this instrument.