Hand Signals for Driving: What They Are and How to Use Them. If all else fails, an arm out the window can keep you safe if you know the signals. William Irvin Lewis Writer Dec 16, 2023.

The hand signal for a change to double file will see the leader extend their left arm up at the elbow with their hand facing ...

It's important for everyone on the road to understand proper hand signals used by drivers without tail lights or turn signals. Section 42-4-609 of Colorado's State Statue, for example, makes ...