via Carretera 3 E/PRI-3 E Fastest route now, avoids slowdown on PR-52 This route has tolls. Viejo San Juan San Juan, 00901 Follow PR-1 S to Expreso Román Baldorioty de Castro/PR-26 in Santurce Follow Expreso Román Baldorioty de Castro/PR-26 and Autop. Roberto Sánchez Vilella/PR-66 to Carretera 3 E/PRI-3 E in Río Grande. Exit from Autop. Roberto Sánchez Vilella/PR-66 Merge onto Carretera 3 E/PRI-3 E Follow Carretera 3 E/PRI-3 E and Autop. Dr. José Celso Barbosa/PR-53 S to Puerto Rico 970 in Naguabo. Exit from Autop. Dr. José Celso Barbosa/PR-53 S Continue on Puerto Rico 970. Drive to Carr. 969 in Maizales Carr. 969 Naguabo, 00718