146 Drivers have to comply with speed limits shown on signs. On roads with no speed limit sign, drivers must not exceed a speed of 50km per hour. On roads without lines regulating lanes or oncoming traffic separation, drivers must not exceed a speed of 40km per hour.
(A)O
(B)X

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統計： A(1), B(0), C(0), D(0), E(0) #2211049