1 hr 2 min via PR-66 and Interstate PR3 S/PR-3 S Fastest route, the usual traffic This route has tolls. San Juan Continue to Santurce 4 min Follow Expreso Román Baldorioty de Castro/PR-26 and PR-66 to Interstate PR3 S/PR-3 S in Río Grande. Exit from PR-66 24 min Merge onto Interstate PR3 S/PR-3 S 5 min Keep right to stay on Interstate PR3 S/PR-3 S 15 min Continue on PR-985. Drive to Calle San Martín 9 min Calle San Martín