Get on Expreso Román Baldorioty de Castro/PR-26 from Marginal Aeropuerto. Continue on Expreso Román Baldorioty de Castro/PR-26. Take Autop. José de Diego/PR-22 W and PR-20 to Av. David Urbina in Guaynabo. Exit from PR-20. Continue on Av. David Urbina. Take Avenida Santa Rosa/PR-837 to C. 455 in Santa Rosa