Start on PR-22: After taking PR-22, continue heading east. Continue on PR-22: Stay on PR-22 and follow the signs for San Juan. Take the Exit toward Hato Rey/Río Piedras (Exit 10B): You'll come to an exit marked as Exit 10B, leading toward Hato Rey/Río Piedras. Take this exit. Merge onto Expreso Baldorioty de Castro (PR-1 South): After taking Exit 10B, merge onto Expreso Baldorioty de Castro, which is also known as PR-1 South. Continue on PR-1 South: Stay on PR-1 South for approximately 1.5 miles. Take the Exit toward Roosevelt Avenue/PR-25: Look for the exit marked as Roosevelt Avenue/PR-25 and take this exit. Merge onto Avenida Roosevelt (PR-25): After exiting, merge onto Avenida Roosevelt (PR-25). Continue on Avenida Roosevelt: Drive on Avenida Roosevelt for about 2 miles. Arrive at Quantum Metrocenter: Quantum Metrocenter should be on your right. Look for the building or specific address you are heading to within Quantum Metrocenter.