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Tennessee: Truck-Commercial

TENNESSEE TRUCK PLATES
Began 1920.
Pairs 1920, 1926-34, 1937, 1939-42, 1945 (despite passenger singles),
1946, 1950-53, 1955-58.  Singles for front 1944, 1947-49, 1959, 1971,
for rear 1954 (despite passenger pairs 1947-49, 1959, 1971).
(Verify 1935-36, 1938, 1960-70, 1972-76)
Numbers in bold are verified starting or ending numbers.
County codes same as passenger 1939-65, 1976-87.
 
1920    7221  -  18951   (11,731)      1929      X 1 - X29-200 (29,200)
1921   17023  -                        1930   26 263 -  51 901 (25,639)
1922    3001  -  17546   (14,546)      1931    C 638 -[C26 600](25,963)
1923    2501  -  20235   (17,735)      1932   C2-104 - C38-950 (36,847*)
1924    4-477 -  16-255  (11,779)      1933      C 1 - C34-387 (34,387*)
1925        1 -  23-813  (23,813*)     1934   C5-398 - C37-446 (32,049)
1926   25 001 -  32 070   (7,070)      1935     C795 - C45-737 (44,943*)
1927   21 313 -  38 149  (16,837)      1936   C1-596 - C41-030 (39,435)
1928   19 587 -  38 177  (18,591)
 
WEIGHT CLASSES 1937-39             1937                         1938
1 =      1 -  8,000 lbs.   1 12-426 - 59-070 (46,645)   1 29 847 - 51 462 (21,616)
2 =  8,001 - 14,000 lbs.   2 14-221 - 21-675  (7,455)   2 59 109 - 72 359 (13,251)
3 = 14,001 - 18,000 lbs.   3  5-417 -  5-491     (75)   3 79 133 -             (1)
4 = 18,001 - 24,000 lbs.
5 = 24,001 + lbs.
                                      (TOTAL 54,175*)               (TOTAL 34,868)

1939 FORMATS           1T-1 - 9T-9999        Number blocks 1-5 by
                      10T-1 - 95T-999        weight class below.
 
1940-56 FORMATS     1 P/1-1 - 9 P/8-9999     Number blocks 1-5 by
                   10 P/1-1 - 95 P/8-999     weight class below.
                                             Classes 6-8 added after 1943.
 
      WEIGHT LBS.        COUNTIES 1-9   COUNTIES 10-95   1943 TAB ORDER
1 =      1 -  8,000         1 - 4999        1 - 499         (29,000)
2 =  8,001 - 14,000      5001 - 7999      501 - 799         (17,900)
3 = 14,001 - 18,000      8001 - 8999      801 - 899          (6,200)
4 = 18,001 - 24,000      9001 - 9999      901 - 999          (2,600)
5 = 24,001 - 30,000      0001 - 0999      001 - 099          (1,500)
6 = 30,001 - 36,000      Y001 - Y999      Y01 - Y99
7 = 36,001 - 42,000      Z001 - Z999      Z01 - Z99         (TOTAL:
8 = 42,001 - 55,980      X001 - X999      X01 - X99          57,200)
 
NUMBERS SEEN BY WEIGHT CLASS  (Including F (Farm) and H (Hire) for comparison)
1   Exceeds block:  1948 36 F/1-675
                    1949 28 F/1-664, 36 F/1-713, 62 F/1-667
                    1950 12 F/1-965, 13 F/1-694
                    1951 10 P/1-889, 10 F/1-702, 12 F/1-552, 17 F/1-803,
                         21 P/1-524, 22 F/1-762, 29 P/1-689, 58 F/1-598
                    1952 2 P/1-6126, 22 F/1-922, 39 F/1-523, 50 F/1-571
                    1953 26 F/1-794, 27 P/1-658, 34 F/1-855, 37 F/1-658,
                         53 F/1-852
                    1954 19 F/1-898
                    1955 12 P/1-795, 13 P/1-804, 14 F/1-659, 15 F/1-799,
                         50 F/1-909, 53 F/1-914
                    1956 39 F/1-706, 53 F/1-881, 56 F/1-568
    Letter series:  1946 12 F/1-V12, 1949 13 F/1-V51
                    1950 12 F/1-A17, 14 F/1-B84, 14 F/1-E24
                    1951 13 F/1-Y70
    Extra-long:     1951 2 P/1-10095, 12 F/1-1116,
                    1953 2 P/1-12635, 18 F/1-1202
                    1954 2 P/1-13036, 19 F/1-1226, 26 F/1-1045
                    1956 2 P/1-10553, 30 F/1-1112
2   Near-end:       1940 10 P/2-752, 1942 34 P/2-735, 1947 82 P/2-711
    Exceeds block:  1942 10 P/2-096, 1950 29 P/2-808, 1951 10 P/2-809
3   Near-end:       1942  34 P/3-894, 1950 49 P/3-897
    Exceeds block:  1955 11 F/3-1009, 20 F/3-952, 1956  53 F/3-949, 76 F/3-932
6   Earliest seen:  1951  (listed 1946-47, not 1943) 1945 5 H/6-Y020
7   Earliest seen:  1945  (listed 1946-47, not 1943)
8   Earliest seen:  1954  (not listed 1946-47)
 
VARIATIONS
1956:  Square dies on late issues.
 
WEIGHT                    1957 FORMATS
P/1 - P/8         1/   P/1 001 - 9/   P/8 999     Number blocks
                  1/A  P/1 001 - 9/J  P/8 999     discontinued.
                  10/  P/1 001 - 95/  P/8 999
                  10/A P/1 001 - 95/A P/8 999
 
WEIGHT                    1958 FORMATS
P/1 - P/3          1A-P/1 0-01 - 9Z-P/3 9-99
                   10-P/1 0-01 - 95-P/3 9-99 (10-P/1 A-01?)
P/4                1-P/4 00-01 - 9-P/4 99-99
                   10-P/4 0-01 - 95-P/4 9-99
P/5 - P/8          1-P/5 00-1W - 9-P/8 99-9Z
                   10-P/1 0-1W - 95-P/8 9-9Z
 
 WEIGHT                 1959-61 FORMATS  (No hyphen 1961 except P/9)
P/1 - P/4 (1959)   1 P/1 0-001 - 9 P/4 9-999
          (1960-61) 1 P/1-0001 - 9 P/4-9999, 1 P/1-A001 - 9 P/4-Z999
                    10 P/1-001 - 95 P/4-999, 10 P/1-A01 - 95 P/4-Z99
P/5 - P/8           1 P/5-001W - 9 P/8-999Z
                    10 P/5-01W - 95 P/8-99Z
P/9                1 P/9-001-9 - 9 P/9-999-9
                   10 P/9-01-9 - 95 P/9-99-9
 
 WEIGHT                 1962-64 FORMATS
P/1 - P/4              1 P/1-1 - 9 P/4-9999,  1 P/1-A1 - 9 P/4-Z999
                      10 P/1-1 - 95 P/4-999, 10 P/1-A1 - 95 P/4-Z99
P/5 - P/9             1 P/5-1V - 9 P/8-999Z
                     10 P/5-1V - 95 P/8-99Z
P/10                 1 P/10-1A - 9 P/10-999A
                    10 P/10-1A - 95 P/10-99A
 
P/9 added 1959, P/10 added 1963.
 
1957-65:  P/1 - P/4 not number-blocked like 1939-56.
1962-65:  Steel, not aluminum.
1963-64:  Plate design same as 1962.
1964:     P/4 and higher weights started being issued only from Nashville.
1964:     P317R - P6912R, PA262R - PA317R, PE-674R seen with "1" in UL corner.
         (Not replacement, since PA262R has small "R" in LL corner.)
          2 P/2-110R also seen.
1965:     Some P/1 seen in old design (5 P/1-707, 8 P/1-385)
 
       WEIGHT LBS.        1959-61      1962-64
 1 =      1 -  8,000      Numeric      Numeric
 2 =  8,001 - 14,000      Numeric      Numeric
 3 = 14,001 - 18,000      Numeric      Numeric
 4 = 18,001 - 24,000      Numeric      Numeric
 5 = 24,001 - 30,000         W            V
 6 = 30,001 - 36,000         X            W
 7 = 36,001 - 42,000         Y            X
 8 = 42,001 - 55,980         Z            Y
 9 = 55,981 - 61,580        -9            Z
10 = 61,581 - 73,280      (none)          A
 
COUNTIES USING LETTER SERIES; HIGHEST REGISTRATION 1964-65
Assuming each series starts at 1, no B,D*,I,O,Q,S,V used.
 
1964
P/1   2-H835, 10-N3, 11-C67, 12-A39, 13-E97, 14-A54, 19-J39,
      21-C20, 27-C36, 29-K24, 33-E26, 41-A30
F/1   11-H32, 12-P61, 13-U58, 14-N85, 15-C86, 16-F41, 18-L62,
      20-G25, 22-F22, 28-C97, 30-K25, 34-E20, 35-G66, 36-C65,
      38-A47, 39-E3, 42-P29, 45-G65, 46-C65, 47-E53, 48-K28,
      50-E96, 52-F6, 57-F5, 58-A86, 60-A36, 62-C57

1965
F/1   11-K91, 12-M49, 13-T95, 14-M86, 15-F17, 16-G91, 17-C78,
      18-L48, 20-H33, 22-F1, 25-C4, 26-C53, 28-E8, 30-L54,
      34-E33, 35-H11, 36-E53, 38-A84, 39-F68, 42-P86, 45-H1,
      46-A66, 47-F1, 48-L62, 50-F88, 52-E83, 56-C19, 57-F73,
      58-E40, 60-C6, 62-C90
 
OBSERVED LETTER SERIES PLATES (Including F for comparison)
1959 10 P/1-G80
1960 2 P/1-A656, 62 F/1-C96
1961 *36 F/1-D62, 36 F/1-F85, 51 F/1-A58
1962 2 P/1-C666, 13 F/1-U25, 14 F/1-L4, 19 P/1-E46
1963 10 P/1-E12
 
1965-85 FORMAT        PA-0001 - PZ-9999       All letters used.+
 
  WEIGHT LBS.        1965-80        WEIGHT LBS.       1982-2000
     1 -  8,000      PA - PL           1 -  9,000      PA - PL+
 8,001 - 14,000      PM - PO       9,001 - 16,000      PM - PO+
14,001 - 18,000      PP - PQ      16,001 - 20,000      PP - PQ+
18,001 - 24,000        PR++       20,001 - 26,000        PR++
24,001 - 30,000        PS         26,001 - 32,000        PS
30,001 - 36,000        PT         32,001 - 38,000        PT
36,001 - 42,000        PU         38,001 - 44,000        PU
42,001 - 55,980*       PV         44,001 - 56,000        PV
55,981 - 61,580*       PW         56,001 - 66,000        PW
61,581 - 73,280*       PX         66,001 - 74,000        PX
                                  74,001 - 80,000        PY
 
*1971:  52,000, 61,000, 1980:  55,980, 62,000.
+PI (last seen 1983), PO (1977) and PQ (1980) dropped by 1989.
++overflow: PY 1971-80, PZ 1982 but not 1985.

           PA-PL     PM-PO     PP-PQ    PR/PY/PZ     PS        PT
1965      PB-9050                       PR-7330                    
1966      PL-2451*  PN-5078   PQ-2291*                      0814PT
1967      PI-0580*  PN-7052*  PP-8846*            PS-2279
1968      PJ-9662*  PN-5807*  PP-9875*
1969      PI-2403*  PN-9157*  PP-9867*  PR-9418*
1970      PH-4644*  PO-1804*                      PS-0776   PT-1415
1971      PG-8633   PN-4940   PQ-0452   PY-1116   PS-0926   PT-1608
1972      PH-4643   PM-6875   PP-8303   PR-7256   PS-4774
1973      PJ-3185   PN-8251   PP-6769   PR-8929
1974      PJ-0147   PM-8639   PQ-0120   PR-9362
1975      PI-4731   PN-7795   PQ-3050   PY-1235   PS-2785          
1976      PJ-8051   PN-8980   PP-8575   PR-5702
1977      PI-7404   PO-1113   PQ-3499   PR-3322   PS-4630   PT-2084
1978      PJ-2440   PN-9740   PQ-2673   PY-1463   PS-0527
1979      PJ-7441   PN-4514   PQ-2066   PY-1833   PS-6130
1980      PJ-1565   PN-8181   PQ-0351   PR-7761   PS-5620          
1981      PJ-1864   PM-9178   PP-8141
1982      PJ-0261   PN-7444   PP-8088   PZ-0281   PS-2676
1983      PI-5195   PN-6307   PP-4131   PR-8512
1984      PI-3062   PN-6740   PP-1931             PS-2666   PT-0666
1985         +      PMU-336   PPM-546   PRD-540                    
1986-87      +      PMX-016   PPH-650
1987         +      PML-906   PPB-913   PRD-201   PSA-952   PTA-414
 
            PU        PV        PW        PX        PY
1965                PV-2468                          -   
1966                                                 -
1967      PU-1936                       PX-0103      -
1968      PU-2605*                                   -
1969                                                 -
1970                                    PX-4467      -   
1971                          PW-0753   PX-5280      -
1972                                    PX-1950      -
1973      PU-1533   PV-2184   PW-2650                -
1974                          PW-0857                -
1975                PV-0929   PW-0877   PX-7699      -   
1976      PU-2499             PW-0472   PX-4888      -
1977      PU-1278   PV-1694   PW-1078   PX-2142      -
1978      PU-1140   PV-0959             PX-4700      -
1979      PU-1670                       PX-4797      -
1980                PV-0830   PW-0905                -   
1981                PV-0451   PW-1159                ?
1982      PU-1317                       PX-3518
1983                          PW-0574             PY-1449
1984
1985      PUA-150   PVA-719                              
1986-87
1987                PVA-779             PXA-510   PYB-168
 
+Class 1 issued multiyear base 1985-88.
 No 1986 sticker issued; 1987-88 stickers expire March 1987 and March 1988.
 
1985-88:  PAC-542 - PEZ-946, "(85) TENN 1" top, White/Red 87 or
          PFY-789 - PFZ-313                     White/Black 88 sticker
          PFC-194 - PFX-101  "1 TENN (  )" top, 87 or 88 sticker
          PGD-151 - PGX-998? "1 TENN 85" top, 88 sticker
 
3-89  P1-9000:   026-ACP - 265-AHM  "TENN (89)" top, Green/White
      P2-16000:  719-AID - 311-AIR  "TENN 3-89" top, Green/White
      P3-20000:  257-AJG - 231-AJI  "TENN 3-89" top, Green/White
      P4-26000:
      P5-32000:
      P6-38000:
      P7-44000:
      P8-56000:
      P9-66000:
     P10-74000:
     P11-80000:
 
               1989-94 BASE   No I,O,Q used.             1995-2000 BASE   No I,O,Q used.
 P1-9000:   PA-0001 - PL-9999, PA-A001 - PE-U285      PA-0001 - PL-9999, PA-A001 - PH-C779
 P2-16000:  PM-0001 - PN-9999, PM-A001 - PM-W479      PM-0001 - PN-9999, PM-A001 - PN-S388
 P3-20000:  PP-0001 - PP-9999, PP-A001 - PP-C117      PP-0001 - PP-9999, PP-A001 - PP-F931
 P4-26000:  PR-0001 - PR-9999, PR-A001 - PR-D819      PR-0001 - PR-8452
 P5-32000:  PS-0001 - PS-9999, PS-A001 - PS-B554      PS-0001 - PS-9999, PS-A001 - PS-A826
 P6-38000:  PT-0001 - PT-2043                         PT-0001 - PT-4591
 P7-44000:  PU-0001 -                                 PU-0001 - PU-4352
 P8-56000:  PV-0001 - PV-1675                         PV-0001 - PV-6015
 P9-66000:  PW-0001 -                                 PW-0001 - PW-3506
P10-74000:  PX-0001 - PX-8686                         PX-0001 - PX-8688
P11-80000:  PY-0001 - PY-0169                         PY-0001 -
             (TOTAL 308,677)                           (TOTAL 394,307)
 
1989-94:    "( ) TENNESSEE 89" embossed top, Black/Tan.
1995-2000:  "BicenTENNial" design; no center graphics.
            3-letter prefixes assigned up to PSZ.
2001-06:    Passenger design; no center graphics.
 
2001-06 SOUNDS GOOD TO ME BASE                             2007-22 FLAT BASE?
 9000:  P/1 00001 - P/1 99999, 00001 P/1 - 99999 P/1,     P/1 00001 -
                              0 P/1 0001 - 0 P/1 3112
16000:  P/2 00001 - P/2 50623                             P/2 00001 -
20000:  P/3 00001 - P/3 12778                             P/3 00001 -
26000:  P/4 00001 - P/4 17096                             P/4 00001 -
32000:  P/5 00001 - P/5 09382                             P/5 00001 -
38000:  P/6 00001 - P/6 05727                             P/6 00001 -
44000:  P/7 00001 - P/7 05310                             P/7 00001 -
56000:  P/8 00001 - P/8 04989                             P/8 00001 -
66000:  P/9 00001 - P/9 04521                             P/9 00001 -
74000:  P/10 0001 - P/10 6074                             P/10 0001 -
80000:  P/11 0001 -                                       P/11 0001 -
           (TOTAL 319,610)                                   (TOTAL        )
 
 
JOINT
Semi-Commercial Truck began 1966, replacing about 16% of Private
and about 28% of Farm trucks.  Replaced all Farm trucks 1968.
Weight classes aligned with Private trucks;  6 classes 1966-71,
10 classes 1980, 11 classes 1982-2000 (although class 1 dropped
1983).  JU seen 1977, JV-JW seen 1979, JX seen 1978, JY seen 1982.
 
1966-75 FORMAT        SA-0001 - ST-9999        All letters used.
                       (F,Y,J,K added in 1st position as needed.)
 
        SA-SL     SM-SO     SP-SQ      SR        SS        ST
1966   SI-6177*  SM-3231*  SP-2957*  SR-3719*  SS-1393*
1967   SL-5888*  SM-4170*  SP-3199*  SR-3833*  SS-2592*
1968   FJ-9990*  SN-6689*  SP-7210*
1969   YD-5065*  SO-2301   SQ-7050*            SS-0417
1970   YD-9731*  FM-0532*  SQ-6427*                             
1971   YG-1291   SN-5964   SP-1513                       ST-1127
1972   YI-4793   SN-7964   SP-7531   SR-3566
1973   JA-4620   SO-0699   SP-1372             SS-1993   ST-1408
1974   KF-4175   SO-6116   SP-1340
1975      +      SN-8541   SP-2785   SR-1612   SS-1293   ST-1683

      (+Class 1 issued 1975 sticker for 1974 base)
      (1975 FM or FP reported)

1974-75:  Type 1 - Dated "74" at UR            KF-4175
          Type 2 - Undated, sticker box at UR  KG-3202 - KG-9837
 
1976-85 FORMATS       1J001-A - 9J999-Z       No I,O,Q seen
                      10J01-A - 95J99-Z       except O suffix
                      JA-0001 - JZ-9999       in 1977.
 
Progression:  1J001-A - 1J999-L, 1S001-A - 1S999-L, etc.
              10J01-A - 10J99-L, 10S01-A - 10S99-L, etc. 
             (S,F,Y,X,W,Z added after county code as needed.)
 
1976                           Issued for all classes 1-6.
JD-9323, JM-3200, JR-0295, JS-0800 (In addition to all county series)
 
1977-83 STATE SEAL BASE        Issued for class 1 only.
JD-1561                            (In addition to all county series)
 
Monthly Staggered Registration began February 1977 for Joint Class 1
only, same as passenger.  Joint Class 1 plates discontinued by
Ch. 39 P 3/24/1977, but 1977 bases continued to be revalidated until
1983, when they were replaced by passenger plates.
 
1977-85 ANNUAL PLATES       Issued for classes 2 to 11, expire FEB.
1977   JU
-0218, 18J46-O    (In addition to all county series 1977-85)
1978   JM-1002, JR-0033, JU-0012, JX-0063, 52F15-O, 75F22-M
1979   JM-1450, JP-0086, JR-0085, JS-0035, JT-0045, JU-0131, JV-0234,
       JW-0024, 5F420-M, 5F005-T, 18F44-M
1980   JM-0640
1981
1982   JY-0038
1983   JM-1840, 2F006-M, 19H58-M, 49G52-M   (G,H?)
1984   JM-0926, 43F25-M
1985   JM-0592, 12H11-M, 20G41-M, 43F75-M   (G,H?)
1986-87   18G01-M, 43F81-M, 77G11-M         (G?)
1987      1J134-M, 77J70-M
 
3-89  J2-16000:  340-AAA - 796-ABB  "TENN 3-89" top, Green/White (including O,Q)
3-89  J3-20000:  730-ABL -          (same)
3-89  J4-26000:
3-89  J5-32000:  865-ABQ -          (same)
3-89  J6-38000:
3-89  J7-44000:
3-89  J8-56000:
3-89  J9-66000:
3-89 J10-74000:
3-89 J11-80000:
 
               1989-94 BASE   No I,O,Q used.            1995-2000 BASE   No I,O,Q used.
 J2-16000:  SM-0001 - SN-9999, SM-A001 - SN-H849      SM-0001 - SN-9999, SM-A001 - SN-Z999,
                                                           "NOV 00"      SL-0001 - SL-6082
 J3-20000:  SP-0001 - SP-0696                         SP-0001 - SP-5140
 J4-26000:  SR-0001 -                                 SR-0001 - SR-4516
 J5-32000:  SS-0001 - SS-3786                         SS-0001 - SS-3344
 J6-38000:  ST-0001 -                                 ST-0001 - ST-1456
 J7-44000:  SU-0001 -                                 SU-0001 - SU-2571
 J8-56000:  SV-0001 - SV-1193                         SV-0001 -
 J9-66000:  SW-0001 -                                 SW-0001 -
J10-74000:  SX-0001 -                                 SX-0001 -
J11-80000:  SY-0001 -                                 SY-0001 - SY-4818
              (TOTAL 56,492)                             (TOTAL 93,879)
 
Design same as P truck 1989-2006.
 
2001-06 SOUNDS GOOD TO ME BASE       2007-22 FLAT BASE
16000:  J/2 00001 - J/2 73892      J/2 00001 - J/2 88781
20000:  J/3 00001 - J/3 13610      J/3 00001 - J/3 10875
26000:  J/4 00001 - J/4 10652      J/4 00001 - J/4 13942
32000:  J/5 00001 - J/5 07540      J/5 00001 -
38000:  J/6 00001 - J/6 03907      J/6 00001 -
44000:  J/7 00001 - J/7 03750      J/7 00001 -
56000:  J/8 00001 - J/8 04294     J/8 00001 -
66000:  J/9 00001 - J/9 03130      J/9 00001 -
74000:  J/10 0001 - J/10 3200      J/10 0001 -
80000:  J/11 0001 - J/11 9889      J/11 0001 -
           (TOTAL 133,864)            (TOTAL 113,598)
 
 
LEGENDS 1920-64
1920-23  "TRUCK" bottom
1924     "TRUCK-1924" bottom
1925     Vertical "TENN" left, "TRUCK 25" bottom
1926     "TRUCK 26 FRONT" bottom, vertical "TENN" center (Verify)
1927-28  Vertical "TRUCK" prefix
1929     "TENN-29-TRUCK" bottom
1930     Vertical "TRUCK" prefix
1931-36  No legend
1937-38  No legend, small weight number prefix
1939     "1939 TENN. 1" bottom (or 2, 3, 4, 5)
1940-64  No legend, small stacked code after county prefix
 
LEGENDS 1965-87 PRIVATE TRUCK
No legend 1965-83, "COMMERCIAL" bottom 1984-87.
Weight code "1" to "9" or "0" at top 1965-73,
except none 1966 PT, 1967 PX, 1968 PU.
1965-67, 1969:     "TENN" in full map top, "1" UL, "65" UR
1968, 1970:        "TENN" in full map top, "68" UL, "1" UR
1971, 1973:        "TENN" in border map top, "1" UL, "71" UR
1972:              "TENN" in border map top, "72" UL, "1" UR
1974, 1976:        "TENN" in border map top, "74" UR
1975:              "TENN" in border map top, "75" UL
1977, 1979, 1981:  "TENN 77" top
1978, 1980:        "78 TENN" top
1982:              "82 TENN 2" top
1983-85, 1987:     "1 TENN 83" top
1986-87:           "86 TENN 87" top
 
LEGENDS 1966-87 JOINT TRUCK
1966-69:  "JOINT" top, "TENN. 66" bottom
1970-77:  Same as Private Truck, no legend
1978-87:  Same as Private Truck, "JOINT" bottom (no legend 1981)

No corner weight code numbers except "2" seen 1983, 1987.
 
COLORS 1920-62 (R) = Reverse colors of pass.  (S) = Same as pass.
1920   (R?)     1926   (R)               1932   Cream/Green
1921   (R)      1927   (R)               1933   White/Black
1922   (R?)     1928   Black/Yellow      1934   White/Maroon
1923            1929   Red/White         1935   White/Dark Blue
1924   (R)      1930   White/Black       1936   Orange/Black
1925   (R)      1931   (R)               1937-62   (S)
 
COLORS 1963-87 PRIVATE TRUCK   Fully Reflective 1977-on.
1963                     White/Black           1970   White/Green
1964, 1966, 1968, 1971   Yellow/Black          1972   Red/White
1965, 1967, 1969         Black/Yellow          1973   Black/Green
 
1974, 1978,       1982, 1985,    1985-88 Class 1   Red/White
1975, 1979, 1981,                1986-87 Class 2+  Green/White
1976, 1980,       1983, 1984,    1987 Class 2+     Black/White
1977                                               Dark Blue/White
 
COLORS 1966-72 JOINT TRUCK   (1975-83 stickers same as passenger)
1966   Yellow/Green               1970   Yellow/Black
1967   Green/Yellow               1971   White/Green
1968   Green/White                1972   Yellow/Green
1969   White/Red                  1973-on   Same as Private Truck