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Illustrated History of Connecticut License Plates
Joe Wasielewski - ALPCA Member 6996
All-Terrain
Ambulance
Amateur Radio
Apportioned
Boat Ramp
Bus
Camp Trailer to 1957
Camp Trailer 1958-
Camper
Classic Vehicle
Combination 1
Combination 2
Commercial to 1957
Commercial 1958-
Common
Construction
Dealer Motorcycle
Dealer New to 1969
Dealer New 1970-1989
Dealer New 1990-
Dealer Spec. Equip.
Dealer Used to 1969
Dealer Used 1970-1989
Dealer Used 1990-
Dismantler
Early American
Error Plates
Exp. Test
Factory
Farm
Fire Apparatus
Fish
Foreign Consul
Gasoline
Handicapped
Hearse
High Mileage Veh.
Interstate
Junk
Livery
Marine Trailer
M.F.G.
Military
Miscellaneous/Local
Motorcycle
Municipal
M.V. Dept
Parade
Permits
Political - State
Political - US
POW
Prototype
PUC
Repair to 1969
Repair 1970-
Sample
School Bus
Service Bus
Snowmobile
Special Equipment
Sphinx
State
Student Transport
Taxi
Temp. Metal Plates
Temp. Non-Passenger
Temp. Pass.
Temp. Reg. Certificate
Toll
Trailer
Trans.
Vanpool
Veteran
Volunteer Firefighter
Wrecker
Interstate
Click to see this type in useThese plates are used on limousines, for-hire cars, and light buses licensed to operate interstate as livery vehicles.

I am not sure when this type started - I believe the 1920s - although originally Interstate plates were also issued to commercial trucks operating interstate.

In the 1940s and 1950s, similar to Bus plates there existed a "General Dist. Interstate" type - colors were the same as regular Interstate plates but had a single letter prefix before a 2-digit distinguishing number. An operator would receive plates with the same distinguishing number, while the letter prefix changed for each plate issued (e.g. A 30, B 30, C 30, etc.).

In the late 1980s or early 1990s, the format changed from all-numeric to one having a 'Z' prefix and suffix - similar to Livery (L) and Taxi (T) plates. The present configuration is Z1234Z. Around 2012, after reaching Z9999Z, they went back to the Z2000Z series. In 2016, a 7-digit format was started presumably at Z00000Z.

Click the image above to see this type in use.

 


1967 Sample
1967 ca. Late 1960s Prototype/Sample
   
1967 1971
1967
Colors were changed to blue on white in 1967.
1971
   
1979 1986
1979
Like many bus plates, frequent washings took off most of the blue paint after a while.
1986
   
1993
 1994
1993
1994
   
2000  2004
2000  2004
   
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