The San Ysidro border crossing is the busiest land port of entry in the world processing over 50,000 vehicles and over 25,000 pedestrians per day.
For information on current border wait times check out bwt.cbp.gov or download the mobile app Calit2 from the University of California.
Take the toll road north. After the toll booth at Playas de Tijuana look for the signs to San Diego.
Exit to the right following the SAN DIEGO/ZONA RIO signs. This exit will take you to Avenida Internacional.
Continue straight along the Mexico/US border. Watch for the SAN DIEGO/INTERSTATE 5 signs and continue to follow them.