OOH glossary · Measurement
Approach
Approach is the stretch of road where drivers can fully see a billboard and still read it.
Geopath measures approach along the road. It starts where the unit is fully visible and ends where the copy stops being readable.
A long approach gives drivers more time to read. Curves, trees, bridges and other signs can cut it short.
OAAA calls sales photos approach photographs, so buyers see the board the way drivers do.