| Country | City | Opened | Closed | Notes |
| Italy | Alba-Barolo | 26 SE 1910 | 12 JL 1919 | Cantono-Frigerio overhead system. |
| Allesandria | 1 FE 1952 | 1974 | ||
| Ancona | 15 MR 1949 | (operating) | ||
| Ancona - Falconara | 1949 | 1972 | Suburban system. | |
| Anzio - Nettuno | 17 JN 1939 | 22 JA 1944 | Suburban system. | |
| Argegno - San Fedele d'Invtelvi | 1909 | 21 NO 1922 | Cantono-Frigerio overhead system. 8.8 km. long. | |
| Atropalda - Avellino - Mercogliano | 16 SE 1947 | 1 NO 1973 | Suburban system. | |
| Bari | 1941 | (closed) | ||
| Bergamo I | DE 1921 | 9 MR 1922 | Demonstrator Line? | |
| Bergamo II | 1949 | 1978 | ||
| Bologna #1 | 1940 | 1945 | ||
| Bologna #2 | 16 SE 1955 | 14 JN 1982 | ||
| Bologna #3 | 1 AP 1989 | (operating) | ||
| Brescia | 1936 | 1968 | ||
| Cagliari | 1950 | (operating?) | May have closed. | |
| Capua - Caserta - Maddaloni | 1961 | 26 OC 1972 | Suburban system. | |
| Carrara | 1954 | 26 DE 1985 | ||
| Carrara - Palmignola | 5 JN 1955 | 1986 | Suburban system. | |
| Catania | 4 OC 1949 | 27 AP 1966 | ||
| Chatillon -- St. Vincent | 1920 | 1925 | ||
| Chieti 1 | 1 AU 50 | 1993 | System suspended. Testing for rebuilt system started on 2 DE 2005. | |
| Civitanova | 25 MR 1956 | 1974 | ||
| Como | 18 AU 1938 | 7 JN 1978 | ||
| Como -- Cantú | 19-- | 19-- | ||
| Como -- Chiasso, Switzerland | 19-- | 19-- | ||
| Cremona | 1940 | (operating) | ||
| Cuneo | 1 AU 1908 | 1932 | ||
| Cuneo - Perveragno | 20 SE 1909 | 31 DE 1957 | Schiemann system. (May have opened in 1935 or 1936. Perhaps this is when it was convered from the Schiemann system in 1935.) | |
| Desenzano Stazione - Porto | 1909 | 19-- | Cantono-Frigerio overhead system. | |
| Desenzano d.G. - Rivoltella | 31 MR 1926 | 3 MR 1932 | Suburban System. | |
| Edolo - Ponti di Legno | 1910 | 1918 | Cantono-Frigerio overhead system. | |
| Enigo - Primolano | 1910 | 1918 | Cantono-Frigerio overhead system. | |
| Ferrara | 28 OC 1938 | 25 FE 1975 | ||
| Fermo - Porto S. Giorgio | 6 FE 1958 | 31 DE 1977 | Suburban System. | |
| Florence (Firenze) | 11 NO 1937 | 1 JL 1973 | ||
| Gallerate-Samarate | 1904 | 19-- | .4 km. Lombard-Gerin overhead system. | |
| Genoa #1 | 11 JN 1938 | 11 JN 1973 | ||
| Genoa #2 | 26 JN 1997 | (operating) | ||
| Ivrea -- Cuorgné | 30 MR 1908 | 31 DE 1935 | Cantono-Frigerio overhead system. | |
| L'Aquila | 19 MY 1909 | 31 MR 1924 | Cantono-Frigerio overhead system. | |
| La Spezia | 1949 | (operating) | Temporarily closed 1985-1987, | |
| La Spezia - Portovenere | 12 FE 1906 | NO 1909 | Cantono-Frigerio overhead system. | |
| Livorno | 28 OC 1935 | 22 OC1973 | ||
| Milan I | 1906 | 1907 | ||
| Milan II | 28 OC 1933 | (operating) | ||
| Modena | 21 JL 1950 | (operating) | ||
| Napoli (Naples) (ACTP) | 8 MY 1940 | (operating) | ||
| Napoli - Aversa (ANM) | 21 JA 1964 | (operating) | Suburban Route. | |
| Padova | 21 AP 1937 | 1970 | ||
| Palermo | 28 OC 1939 | 1 JL 1966 | ||
| Parma | 25 OC 1953 | (operating) | ||
| Pavia | 3 FE 1952 | 1968 | ||
| Perugia | 28 OC 1943 | 1973 | ||
| Pescara - Castellamare | 1903 | 1904 | 1.4 km, included freight. | |
| Peveragno -- Chiusa Pesio | 1912 | 31 DE 1957 | ||
| Prano - Portorose | 24 OC 1909 | 19 AU 1912 | ||
| Pisa | 20 JA 1952 | 29 FE 1968 | ||
| Reggio Emilia | ?? | ?? | Status of system and whether it ever ran is uncertain. One report claims it is under construction. | |
| Rimini | 1 JA 1939 | (operating) | Suburban Systen. | |
| Rome I | 8 JA 1937 | 2 JL 1972 | ||
| Rome 2 | 23 MR 2005 | (operating) | Reopened with route 90, an express route to downtown Rome. | |
| Salerno | 7 AU 1937 | 1986 | ||
| San Remo | 21 AP 1942 | (operating) | ||
| Siena | 24 MR 1907 | 21 OC 1917 | Cantono-Frigerio overhead system. Closed very early. System was unsuccessful due to the narrow roads in the area. | |
| Stresa | 1909 | 19-- | Cantono-Frigerio overhead system. | |
| Tirano - Bormio | 1941 | 1950 | ||
| Torino I (Turin) | 1902 | 1902 | ||
| Torino II | 1931 | JN 1980 | ||
| Torino - Chieri | 4 NO 1951 | 22 DE 1979 | Suburban System | |
| Torino - Rivoli | 13 NO 1955 | 4 NO 1979 | Suburban System | |
| Trapani | 1952 | 1970 | ||
| Venice-Mestre | 25 AP 1933 | 21 DE 1967 | ||
| Venice-Lido | 29 JN 1941 | 1968 | The two venice systems were distinct and not connected. The actv web site ACTV states it was constructed in 1941 while the war was in progress. | |
| Verona | 1937 | JN 1975 | ||
| Verona - Domegliara | ?? | ?? | ||
| Verona - Grizzana | ?? | ?? | ||
| Verona - Sambonifacio | ?? | ?? | ||
| Verona - Tregnago | 15 AU 1958 | JN 1980 | ||
| Vicenza | 22 OC 1928 | 12 JN 1970 | ||
| Military Systems: | ||||
| Edolo - Ponte di Legno | 1915 | 1918 | ||
| Marostica - Asuagi | 1916 | 1919 | ||
| Primolano - Enego | 1915 | 1918 | ||
| Tirano - Bormio | 1915 | 1916 | ||
| 79 | Total Passenger Systems | |||
| Portugal | Braga | 28 MY 1963 | 10 SE 1979 | Local system including a suburban route. |
| Coimbra | 16 AU 1947 | (operating) | (3 lines still operating.) | |
| Porto | 1 JA 1959 | 27 DE 1997 | ||
| 3 | Total Systems | |||
| Spain | Alicante | 19-- | 1974 | |
| Barcelona | 1941 | NO 1968 | ||
| Bilbao | 1949 | 19-- | ||
| Cadiz | 19-- | 1973 | ||
| Gijon | 19-- | 19-- | ||
| La Coruña | 26 JL 1948 | 4 JA 1979 | ||
| La Coruña -- Carballo | 23 FE 1950 | 15 MR 1971 | Interurban system. | |
| Pontevedra -- Alba | 19-- | MR 1989 | ||
| Pontevedra -- Larez | 19-- | 19-- | ||
| Pontevedra -- Marin | 15 DE 1943 | 31 AU1989 | Interurban | |
| Reus -- Tarrgona | 19-- | 24 DE 1973 | ||
| San Sebastian | 19-- | 24 DE 1973 | ||
| San Sebastian -- Tolosa | 19-- | 19-- | Operated trolleytrucks as well as trolleybuses. | |
| Santander | 1951 -- | AU 1975 | ||
| Valencia | 19-- | 21 MY 1976 | ||
| Zaragoza | 19-- | 9 NO 1975 | ||
| 16 | Total Systems | |||
| Trieste | Trieste | 30 MR 1935 | 19 AP 1975 | Trieste is now a part of Italy. |
| 101 | Total southern Europe |
