| a highway or street lane for buses and passenger vans marked with a large diamond shape on the pavement. |
| Main Entry: | diamond lane |
| Part of Speech: | n |
| Definition: | a highway lane marked with painted diamonds which indicate that it is for multi-passenger vehicles, created to alleviate traffic congestion and improve air quality; also called HOV lane |
| Main Entry: | diamond lane |
| Part of Speech: | n |
| Definition: | See HOV lane |