Reversible lanes — New Mexico Permit Test

Reversible lanes, which carry traffic one way at some times and the other way at other times, are usually marked by double-dashed yellow lines.

A lane that flips direction can put you face to face with oncoming cars, so you need to spot one by its markings before you drive in it.

These lanes are usually marked by double-dashed yellow lines.

Over a reversible lane, a green arrow means you may use the lane beneath it.

The lights tell you which way the lane runs right now, and a green arrow is the go-ahead to drive in it.

A green arrow means you can use the lane beneath it;

Over a reversible lane, a red X means you may not use that lane.

A red X warns that traffic may be coming toward you in that lane, so driving in it risks a head-on crash.

a red “X” means you cannot.

A flashing yellow X over a lane means the lane is only for turning.

Drivers in that lane will be slowing and stopping to turn, so it is not a lane for driving straight through.

A flashing yellow “X” means the lane is only for turning.

A steady yellow X means the lane's use is changing, and you should move out of it as soon as it is safe.

The lane may soon carry traffic the other way, so staying in it could leave you facing oncoming cars.

A steady yellow “X” means that the use of the lane is changing and you should move out of it as soon as it is safe to do so.

How are reversible lanes usually marked?

Double-dashed yellow lines. A lane that flips direction can put you face to face with oncoming cars, so you need to spot one by its markings before you drive in it. New Mexico Driver Manual, p.9: “These lanes are usually marked by double-dashed yellow lines.”