Maryland Transportation Authority
From The RadioReference Wiki
Md.Transportation Authority Codes
In keeping with the State of Maryland's move to follow Federal communications guidelines, the MdTA no longer routinely uses 10-codes, and has also switched from the APCO phonetic alphabet to the NATO alphabet.
- 10-0 Use caution
- 10-1 Signal weak
- 10-2 Signal good
- 10-3 Stop transmitting
- 10-4 Message received
- 10-5 Relay
- 10-6 Busy
- 10-7 Out of service
- 10-8 In service
- 10-9 Repeat
- 10-10 Fight in progress
- 10-11 Animal problem
- 10-12 Stand by
- 10-13 Report conditions
- 10-14 Prowler report
- 10-15 Civil disturbance
- 10-16 Domestic problem
- 10-17 Meet complainant
- 10-18 Urgent
- 10-19 Go to station
- 10-20 Advise your location
- 10-21 Telephone _________
- 10-22 Disregard
- 10-23 Arrived at scene
- 10-24 Assignment complete
- 10-25 Report to __________
- 10-26 Detaining suspect
- 10-27 Driver's license information
- 10-28 Vehicle registration information
- 10-29 Check records for want
- 10-30 Unauthorized use of radio
- 10-31 Crime in progress
- 10-32 Person with a gun
- 10-33 Emergency-all units stand by
- 10-34 Riot
- 10-35 Major crime alert
- 10-36 Correct time
- 10-37 Suspicious vehicle
- 10-38 Stop suspicious vehicle
- 10-39 Respond using lights and siren
- 10-40 Do not use lights or siren
- 10-41 Beginning shift
- 10-42 End shift
- 10-43 Information
- 10-44 Permission to leave
- 10-45 Dead animal
- 10-46 Assist motorist
- 10-47 Emergency road repair
- 10-48 Traffic control
- 10-49 Traffic signal out
- 10-50 Traffic accident/collision
- 10-51 Request tow truck
- 10-52 Request ambulance
- 10-53 Roadway blocked
- 10-54 Livestock on roadway
- 10-55 Intoxicated driver
- 10-56 Intoxicated pedestrian
- 10-57 Hit & Run accident
- 10-58 Direct traffic
- 10-59 Escort
- 10-60 Squad in vicinity
- 10-61 Personnel in vicinity
- 10-62 Reply to message
- 10-63 Prepare to copy
- 10-64 Local message
- 10-65 Net message
- 10-66 Cancel message
- 10-67 Clear for net message
- 10-68 Dispatch information
- 10-69 Message received
- 10-70 Fire alarm
- 10-71 Advise nature of alarm
- 10-72 Report progress of alarm
- 10-73 Smoke report
- 10-74 Negative
- 10-75 In contact with _______
- 10-76 En route to ________
- 10-77 Estimated time of arrival
- 10-78 Request assistance
- 10-79 Notify coroner
- 10-80 Pursuit in progress
- 10-81 Breathalyzer report
- 10-82 Reserve lodgings
- 10-83 School crossing assignment
- 10-84 Estimated time of arrival
- 10-85 Arrival delayed
- 10-86 Operator on duty
- 10-87 Pick up
- 10-88 Advise telephone number
- 10-89 Bomb threat
- 10-90 Bank alarm
- 10-91 Pick up subject
- 10-92 Illegally parked vehicle
- 10-93 Blockage
- 10-94 Drag racing
- 10-95 Subject in custody
- 10-96 Detain subject
- 10-97 Test signal
- 10-98 Prisoner escape
- 10-99 Wanted or stolen
Md.Transportation Authority Unit IDs
All units are identified by their license plate number. For example, Unit TC17 has tag TC17 and P10 has tag P10.
- 2xx are foot patrol units assigned to BWI.
- CV units are assigned to the Commercial Vehicle Safety Inspection Unit.
- H units patrol the Hatem Bridge.
- HQ units are assigned to headquarters.
- I units are assigned to the Inter-county Connector (Md. 200).
- K units patrol the Key Bridge.
- K9 are canine units.
- L units patrol the Chesapeake Bay Bridge.
- Motor x is a motorcycle unit.
- P units patrol the Port of Baltimore.
- Patrol & Posts 1-7 are units operating at Fort McHenry and Baltimore Harbor Tunnels.
- SOD Special Operations Division.
- TC units are Tunnel Command (used at Harbor and Fort McHenry Tunnels).