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B (M23) is a reinforcement of line M21 or M22. The significance of B is determined by M21 or M22.
A: Parking space (M24)
”The marking indicates the boundary of a vehicle parking space. The marking can have a broken line.”
B: No stopping or parking, or no parking (M23)
”This marking is used as a reinforcement of the road markings M21, no stopping and parking, and M22, no parking. No other colour may be used.”
C: No parking (M22)
”This marking indicates a prohibition on parking a vehicle and is placed along the side of the carriageway. The marking is also used to indicate an extension of a bus stop. The marking has a distance ratio of 1:1 between the dashes and spaces. No other colour may be used.”
D: No stopping or parking (M21)
”This marking indicates a prohibition on stopping and parking a vehicle and is placed along the side of the carriageway. No other colour may be used.”
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