no honking,no overtaking

courtesy and consideration 关于(公共场合)礼貌礼仪no honking.
no honking
常见公共标识 no admittance 闲人免进 no honking 禁止鸣喇叭
no admittance asbestos fibres
24,no entry 禁止入内 25,no admittance 闲人免进 26,no honking