[ARTICLE] 6
[CIK] 0000880366
[NAME] SMITH BARNEY INVESTMENT TRUST
[SERIES]
   [NUMBER] 003
   [NAME] INTERMEDIATE MATURITY CALIFORNIA MUNICIPALS FUND CLASS L
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          NOV-30-1999
[PERIOD-END]                               NOV-30-1999
[INVESTMENTS-AT-COST]                       33,410,707
[INVESTMENTS-AT-VALUE]                      34,295,025
[RECEIVABLES]                                  773,009
[ASSETS-OTHER]                                  14,458
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                              35,082,492
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      105,671
[TOTAL-LIABILITIES]                            105,671
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                    35,444,596
[SHARES-COMMON-STOCK]                          611,103
[SHARES-COMMON-PRIOR]                          595,249
[ACCUMULATED-NII-CURRENT]                        3,026
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                    (1,355,199)
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                       884,318
[NET-ASSETS]                                34,976,821
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                            1,872,167
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                 315,946
[NET-INVESTMENT-INCOME]                      1,556,221
[REALIZED-GAINS-CURRENT]                     (429,275)
[APPREC-INCREASE-CURRENT]                  (1,391,646)
[NET-CHANGE-FROM-OPS]                        (264,700)
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                      220,134
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        135,995
[NUMBER-OF-SHARES-REDEEMED]                    138,454
[SHARES-REINVESTED]                             18,313
[NET-CHANGE-IN-ASSETS]                       1,102,125
[ACCUMULATED-NII-PRIOR]                          2,885
[ACCUMULATED-GAINS-PRIOR]                    (925,844)
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          183,177
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                393,843
[AVERAGE-NET-ASSETS]                         5,444,137
[PER-SHARE-NAV-BEGIN]                             8.84
[PER-SHARE-NII]                                   0.35
[PER-SHARE-GAIN-APPREC]                         (0.42)
[PER-SHARE-DIVIDEND]                              0.35
[PER-SHARE-DISTRIBUTIONS]                         0.00
[RETURNS-OF-CAPITAL]                              0.00
[PER-SHARE-NAV-END]                               8.42
[EXPENSE-RATIO]                                   1.01
</TABLE>