Arcadia Medic 435 and Engine 432 assisted units from Boring, Reisterstown, Glyndon and Hampstead on a working vehicle extrication on rte. 30 @ 5th Ave. last night. At approximately 9:20pm units were alerted for a vehicle accident with rescue. First in unit arrived to find two vehicles involved with one person trapped. Extrication tools were immediately deployed and after approximately 20 minutes of work the patient was successfully removed from the vehicle. Medic 435 transported the patient to the hospital.