28 OC 1933 — present
| Number | Destination | Opened | Notes |
| Complete as of 2001 | |||
| 90 | Isonzo -- Umbria -- Lotto | 1 OC 1951 | Circular route paired with 91. Changed to operate via Viale Lodi, 17 AP 1953. |
| 91 | Isonzo -- Lotto | 1 OC 1951 | Circular route paired with 90. Changed to operate via Viale Lodi, 17 AP 1953. |
| 92 | Varé -- Isonzo | 1 OC 1951 | |
| 93 | Lareto -- Viale Omero | 1 OC 1951 | Originally, Loreto - Lotto, 5 NO 58 Lareto - Rosa, 19 JN 1972 Caretta (Loreto) - Rosa, 21 AP 1985 Caretta - Omera x Ravenna. |
Milan Route Maps (1936, 1941, 1958, 1985, 2003)
This site last updated 18 OC 2006
