Eric Jaffe (via Simone Manganelli): Fast forward to today and Primus has turned the insight from that rough early journey into one of the most rider-friendly transit maps you’ll ever see. The redesigned Muni map—co-created by Primus and David Wiggins—immediately indicates frequency through a route line’s thickness. Muni officials adopted it system-wide this April and … Continue reading San Francisco’s Rider-Friendly Transit Map