This past weekend’s NCAA Final Four basketball games at University of Phoenix Stadium and concerts and fan fest events in downtown Phoenix gave a big boost to ridership on the Metro light rail system.

The Phoenix-area transit system hosted 220,000 riders Friday through Sunday. That is a 68 percent jump compared to an average weekend.

The Arizona Diamondbacks also had their season opener at Chase Field Sunday and there were also festivals in Phoenix and Tempe.

The Metro system runs from Mesa…