[ARTICLE] 6
[CIK] 0000880366
[NAME] SMITH BARNEY INVESTMENT TRUST
[SERIES]
   [NUMBER]
   [NAME] SMITH BARNEY MASSACHUSETTS MUNICIPALS FUND CLASS L
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          NOV-30-1999
[PERIOD-END]                               NOV-30-1999
[INVESTMENTS-AT-COST]                       67,122,722
[INVESTMENTS-AT-VALUE]                      64,023,168
[RECEIVABLES]                                2,395,419
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                              66,418,587
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      833,472
[TOTAL-LIABILITIES]                            833,472
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                    69,058,623
[SHARES-COMMON-STOCK]                          237,499
[SHARES-COMMON-PRIOR]                          142,480
[ACCUMULATED-NII-CURRENT]                       11,452
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      (385,406)
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                   (3,099,554)
[NET-ASSETS]                                65,585,115
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                            4,022,833
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                 768,174
[NET-INVESTMENT-INCOME]                      3,254,659
[REALIZED-GAINS-CURRENT]                     (385,406)
[APPREC-INCREASE-CURRENT]                  (6,430,461)
[NET-CHANGE-FROM-OPS]                      (3,561,208)
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                      115,436
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        106,235
[NUMBER-OF-SHARES-REDEEMED]                     17,506
[SHARES-REINVESTED]                              6,290
[NET-CHANGE-IN-ASSETS]                     (4,045,980)
[ACCUMULATED-NII-PRIOR]                        (3,298)
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          353,538
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                768,174
[AVERAGE-NET-ASSETS]                         2,670,961
[PER-SHARE-NAV-BEGIN]                            13.30
[PER-SHARE-NII]                                   0.56
[PER-SHARE-GAIN-APPREC]                         (1.24)
[PER-SHARE-DIVIDEND]                              0.55
[PER-SHARE-DISTRIBUTIONS]                         0.00
[RETURNS-OF-CAPITAL]                              0.00
[PER-SHARE-NAV-END]                              12.07
[EXPENSE-RATIO]                                   1.39
</TABLE>