For ordinary parallel parking, unless signs or markings authorise another arrangement, on which road may you park on the right-hand side?

普通沿路平行停車，且無標誌或標線另行准許時，哪種道路可在右側停車？

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Two-way roads normally require parking on the left. Special signed or marked arrangements are outside this ordinary-parking question.

雙向道路一般靠左停車；本題不把右側有合法特殊停車標線等其他安排混作普通右側停車許可。