Large-format map design: legends and readability

Large-format map design starts with what people need to find on site. Establish the area, current data and installation location. Enlarging a small map is insufficient if labels, symbols and the legend do not work at the intended viewing distance.

Source data and map coverage

Supply a base map, location list, names and area boundaries. Identify the data source and reviewer. Flag anything that needs checking. A sign must represent the actual area, so verify the data before final layout begins.

Legend and symbol hierarchy

Distinguish primary routes and destinations from supporting information. Each symbol should have one meaning that matches the legend. Use shape and contrast as well as colour. Too many equally prominent markers make individual places harder to find.

Scale checks and production handover

Print a sample section at final size and assess the smallest labels. Consider lighting, sign dimensions and installation. The Gmina Karlino map project illustrates large-format information design. Its mockup shows presentation; production needs separate arrangements.

Project checklist

• Verify place names and symbol-to-legend consistency.
• Assess a sample section from the intended reading distance.
• Check sign dimensions and areas hidden by fittings.