路缘石【curb】指的是设在路面边缘的界石，简称缘石。它是作为设置在路面边缘与其它构造带分界的条石。 "Curb" refers to the boundary stone which is located on the edge of the road. It is a bar set on the edge of the road and other tectonic belts. 　　路缘石是公路两侧路面与路肩之间的条形构造物,因为形成落差,像悬崖,所也路缘石形成的条状构造,也叫道崖.结构尺寸通常是99cm*15cm*15cm。一般高出路面10cm。 Kerb is between road on both sides of the road and shoulder bar structure, because the gap formation, like a cliff, and also kerbstone formed by the strip structure, also called cliff. Structure size is usually 99 cm * 15 cm * 15 cm. Usually 10cm above the road. 　　路缘石是设置在路面与其它构造物之间的标石。（或说为，是设置在路面边缘与横断面其它组成部分分界处的标石） The road is a monument set between the road and other structures. (or, in the case of a monument, set on the edge of the road and other parts of the cross section.) 　　在分隔带和路面之间，人行道与路面之间一般都要设置路缘石，另外在交通岛，安全岛都设置缘石。 Between the separation belt and the road, the road between the pavement and the pavement is usually set by road, and the other is in the traffic island. 　　 　　其形式有立式，斜式和平式等。 Its forms have vertical, oblique type, etc.