Pennsylvania windshield stickers 1984-1989
A new sticker style debuted in 1984, such that the expiration month and year
were much more easily visible. This basic design is still in use today.
The stickers contain two different two-digit years, as well as a month insert
that is placed over the year in which the inspection does not expire.
Emissions testing began in mid-1984, in 11 counties in the Pittsburgh
(Allegheny, Beaver, Washington and Westmoreland Counties), Philadelphia (Bucks,
Chester, Delaware, Montgomery and Philadelphia Counties), and Allentown (Lehigh
and Northampton Counties) areas. A separate sticker is used for emissions
inspections, which is placed to the left of the safety inspection sticker (the
"annual windshield sticker"). In 2003-2004, the
total number of counties participating in emissions testing increased to 25.
Aside from a few exceptions in the 1980s, sticker colors change with each pair of years,
with new stickers introduced in October of each year in preparation for
expirations early in the next calendar year.
A full list of sticker colors since 1984 can be found here.
© 2004-2019 Bruce Bufalini
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