<P> In the United States and Canada , a diamond lane is a special lane on a street or highway that is reserved for specific types of traffic . These lanes are usually marked with white diamonds or lozenge , hence their name . Diamond lanes are generally the right-most or left-most lane on the road . They are usually implemented to provide ways through traffic congestion , for safety reasons , and to encourage environmentally friendly transportation . A diamond lane may be intended for a specific type of traffic , or for several types . The intended use of a diamond lane is marked by traffic signs . In most areas , violating the rules of a diamond lane is punishable by a fine . </P>
<P> In the United States and Canada , a diamond lane is a special lane on a street or highway that is reserved for specific types of traffic . These lanes are usually marked with white diamonds or lozenge , hence their name . Diamond lanes are generally the right-most or left-most lane on the road . They are usually implemented to provide ways through traffic congestion , for safety reasons , and to encourage environmentally friendly transportation . A diamond lane may be intended for a specific type of traffic , or for several types . The intended use of a diamond lane is marked by traffic signs . In most areas , violating the rules of a diamond lane is punishable by a fine . </P>
what does the white diamond road marking mean
what does the white diamond road marking mean
a special lane on a street or highway that is reserved for specific types of traffic
a special lane on a street or highway that is reserved for specific types of traffic