It’s the common goodwill gesture made by drivers to help another.

One car is waiting to turn out onto a major road, but the view to the driver’s right is obstructed by cars stationary in traffic heading in the opposite direction.

The good-willed gesture changed the life of Jane and another forever. Credit:Rebecca Hallas

One of the drivers of the stationary cars — with a view of what’s in the lane beside them — signals to the first car when it’s safe to pull out, and so they do.

A courtesy often met with an appreciative wave.