London (Croydon) CITB Test Centre. Exit East Croydon station walk directly into George Street, Walk down George Street. Turn left onto Wellesley Road. Turn immediately right into Park Street.. Park Street runs from the Nestle tower block (in Park Lane) to the High Street. The Test Centre entrance is situated some 200 yards down Park Street by the bus stop at the right of the red Santander Bank frontage (near to St.George's Walk). Disabled Access is available via main front doors and internal lift