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Within standard dimensions, how far may an ordinary non-agricultural heavy trailer and its load extend on either side of its longitudinal centre line?
標準尺寸下，普通非農用重型掛車連同貨物，從縱向中心線向任意一側最多延伸多遠？
An ordinary non-agricultural heavy trailer and its load may extend up to 1.275 metres on either side of the longitudinal centre line under standard dimensions.
標準尺寸普通重型掛車連同貨物，從縱向中心線向任意一側最多1.275米。
閱讀相關知識
The usual overall width limit of 2.55 metres also applies. Agricultural and overdimension exceptions are outside this question. Marking a wide load does not remove dimension limits.
總寬通常也不得超過2.55米。農業車輛或超尺寸等特別條件不在本題範圍內；標識超寬貨物不等於免除尺寸要求。