Level 7 · Signals & markings
What do diamond lane marking mean?
Diamond lane marking
This is an HOV (carpool) lane. Read the signs for how many people and which hours.
Why it looks like this
The painted diamond matches the diamond on HOV signs.
How to respond
- Read the signs for how many people and which hours.
- Use it only if your vehicle qualifies.
Common mistakeUsing it alone during HOV hours.
Quick drill
Practice this marking
Three questions. Your stars are saved on this device.