From SJU Get on Expreso Román Baldorioty de Castro/PR-26 from Av. Aeropuerto 4 min (2.3 km) Continue on Expreso Román Baldorioty de Castro/PR-26. Take Autop. José de Diego/PR-22 W and Expreso Rafael Martínez Nadal/PR-20 to Marginal Expreso Rafael Martínez Nadal in Frailes, Guaynabo. Take the exit toward 177 from Expreso Rafael Martínez Nadal/PR-20 12 min (15.1 km) Take Av. Lomas Verdes/PR-177 to Av. Sta. Ana in Juan Sánchez, Bayamón, Puerto Rico, Bayamón 4 min (2.0 km)