First Issue 1960?
"TRL" left; "SC - UTILITY 66" bottomused passenger colors through 1975 1960 "TRL" left; "SC - UTILITY 60" bottom blue/white 1961 "TRL" left; "SC - UTILITY 61" top? white/red 1962 "TRL" left; "SC - UTILITY 62" bottom red/white 1963 "TRL" left; "SC - UTILITY 63" top white/green 1964 "TRL" left; "SC - UTILITY 64" bottom white/black 1965 "TRL" left; "SC UTILITY 65" top black/white 1966
white/blue
1967 early: "TRL" left; "SC UTILITY 67" top later: "TRL" left; "19 UTILITY 67" bottom blue/white 1968 "TRL" left; "19 UTILITY 68" bottom begin reflective letters white/black 1969 "TRL" left; "19 UTILITY 69" bottom white/blue 1970 "TRL" left; "1670 UTILITY 1970" bottom white/green 1971 "TRL" left; "19 UTILITY 71" bottom white/brown 1972 "TRL" left; "19 UTILITY 72" bottom white/black 1973 "TRL" left; "19 UTILITY 73" bottom white/blue 1974 "TRL" left; "19 UTILITY 74" bottom white/green 1975 "TRL" left; "19 UTILITY 75" bottom white/maroon 1976 "TRL" left; "1776 UTILITY 1976" top blue/white 1977 red/white 1978 "TRL" left; "19 UTILITY 78" top green/white 1979 black/white 1980 blue/white 1981 red/white 1982 "EXP UTILITY 11/30" green/white 1983 "EXP UTILITY 11/30" black/white 1984 "EXP UTILITY 11/30" top blue/white 1985 "UT" prefix red/white 1986 "UT" prefix green/white 1987 "UT" prefix black/white 1988 early: "EXP UTILITY 11/30" bottom later: "EXP NOV. 30 88" top blue/white 1989-1990 December passenger sticker; 89 non passenger sticker; 90 passenger sticker with or without border red/white 1991-c.2015 flat version of 1991 issue, stacked "U/T" prefix
black/white
standard non-passenger design, palmetto tree left
numbering began where previous version ended
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