SOLV OVERVIEW Fast Track Urgent Care, Silver Spring is an urgent care center in Colesville, located at 13428 New Hampshire Ave. They are open 7 days a week, including today from 9:00AM to 9:00PM seeing walk-in patients with non-emergent healthcare conditions. Unlike most urgent care and walk-in clinics, Fast Track Urgent Care, Silver Spring offers you the ability to book online in advance ....