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Within standard dimensions, what is the maximum overall length of an ordinary heavy rigid truck and its load when not towing? Exclude buses and overdimension operations.
不包括巴士和超尺寸運輸，未拖掛的普通重型剛性卡車連同貨物，標準總長上限是多少？
The standard maximum overall length of the ordinary heavy rigid truck described, including its load, is 12.6 metres.
題中未拖掛的標準重型剛性卡車，連同貨物總長上限為12.6米。
閱讀相關知識
The question excludes buses and overdimension operations. Forward overhang, rear overhang and forward distance must also comply.
本題不包括另有規定的巴士或超尺寸運輸。總長合規仍須滿足前懸、後懸和前向距離等各項限制。