Trieste trolleybus system
Trieste, Goldoni Square in 1951 (on the left, trolleybus "Garavini" on route A)
Operation
LocaleTrieste, Friuli Venezia Giulia, Italy
Open1935
Close1975
Owner(s)Municipality of Trieste
Operator(s)A.C.E.G.A.T.
Infrastructure
Electrification600 V a.c.
Depot(s)2 (Broletto and San Sabba)

Trieste's trolleybus system was operational from 1935 until 1975.

History

The first trolleybus route in Trieste, “la linea dei colli” (the hills route), was inaugurated in 1935 between the central Goldoni Square and Campo Marzio, a neighborhood in the south of the city near the new commercial port.

Before World War II., two more routes were created. In 1940 these routes were operational:

  • 4 Piazza Goldoni - Piazza Foraggi
  • 10 Piazza Ciano – San Cilino
  • 12 Piazza Goldoni - Campo Marzio

In the early 1950s, under the Allied Military Government of Free Territory of Trieste (1945-1954), the municipal transportation authority (A.C.E.G.A.T.) decided to replace the tramway with new trolleybus lines. More over, in 1952 the interurban line Trieste-Muggia began operation (Muggia is a little town just in the border with the "B Zone", at that time controlled by Yugoslavia). The line was over 6 miles long, and some of it was in a picturesque scenery next to the meridional shore of the Trieste's Gulf. The service between Trieste and Muggia until this time was operated by steamboats.

The trolleybus network began to shrink in 1958, when the night-time lines were cancelled. Even though route 21 opened in 1960, it was closed only 9 months later. In the late 1960s, the other routes were progressively being replaced by bus lines. The last trolleybus ran in Trieste in 1975 on route 19 (Stazione Centrale - Via Flavia).

Overhead wiring was dismantled between 1975 and 1982. Some vehicles were scrapped, while others were sold to the Salerno transportation authority (A.T.A.C.S.).

Routes

(in order of opening)

RouteInitial itineraryDate OpenedNotesDate ClosedFinal itinerary
12Piazza Goldoni - Campo Marzio1935Renamed "A" in 1946, renamed "15" in 19521968Piazza San Giovanni - Campo Marzio
10Piazza Ciano - San Cilino1938Replaced tramway "10", renamed "B" in 1946, renamed "17" in 19521968Piazza della Borsa - San Cilino
4Piazza Goldoni - Piazza Foraggi1938Replaced tramway "4", renamed "C" in 1946, renamed "18" in 19521963Via Verdi - Via Cumano
DPortici di Chiozza - via Flavia1949Renamed "19" in 19521975Stazione Centrale - Via Flavia
1Stazione Centrale - Valmaura1952Replaced tramway "1"1973Stazione Centrale - Via Doda
5Roiano - Piazza Perugino1952Replaced tramway "5"1972unchanged
10Via Verdi - Valmaura19541972Piazza della Borsa - Valmaura
11Piazza della Borsa - Rozzol1952Replaced tramway "11"1970unchanged
16 Piazza Goldoni - Campi Elisi19521968Piazza San Giovanni - Campi Elisi
20Largo Barriera Vecchia - Muggia1952Interurban line1972unchanged
21Largo Barriera Vecchia - Borgo San Sergio1960On duty only up to Via Flavia1961unchanged
33Piazza Goldoni - Rozzol1952Night service only (1a.m. - 5a.m.)1958unchanged
34Piazza Goldoni - Via Flavia1952Night service only(1a.m. - 5a.m.)1958unchanged
  • When day-time routes were closed, bus lines with the same number took their place

Trieste, Goldoni Square in the 1950s. From the left, an Alfa Romeo 800 Garavini (611-620 batch) on route 15, a tram Stanga (401-428 batch) with trailer on route 9, a tram Stanga (429-448 batch) on route 3, two Alfa Romeo 140, probably on routes 5 and 11

Trieste, Goldoni Square in the 1950s. From the left, a Alfa Romeo 800 Garavini (611-620 batch) on route 15, a tram Stanga (401-428 batch) with trailer on route 9, a tram Stanga (429-448 batch) on route 3, two Alfa Romeo 140, probably on routes 5 and 11

Fleet

(in order of registration)

Id. no.YearChassisBodyElectric equipmentNotes
601 - 6051935OMMiani & SilvestriMarelli2-axles, scrapped in 1950s
606 - 6101938Alfa Romeo 85AFMacchiMarelli2-axles, scrapped in 1963
611 - 6201941Alfa Romeo 800AFGaraviniMarelli2-axles, scrapped in 1968
701 - 7071949Alfa Romeo 140AFSIAI MarchettiMarelli3-axles, 125 HP powered, max capab.103, scrapped in 1968
708, 7091951Fiat 672F/212StangaTIBB3-axles, scrapped in 1968
710 - 7271951Alfa Romeo 140AFStangaTIBB3-axles, 156 HP powered, max capab.101, scrapped in 1973-1975, save 725 sold to Salerno in 1972
621 - 6261952Alfa Romeo 900AFCRDATIBB2-axles, 156 HP powered, sold to Salerno in 1971
728 - 7581952-1956Alfa Romeo 140AFCRDATIBB3-axles, 156 HP powered, max capab.101, some scrapped in 1975, 19 sold to Salerno in 1973

See also

References

    • Paolo Gregoris, Francesco Rizzoli e Claudio Serra, Giro d'Italia in filobus, Calosci, Cortona, 2003, pp. 144–149, ISBN 8877851937.
    • Roberto Carmeli, Trieste in filovia, casa editrice Danubio, Trieste.
    • I Trasporti a Trieste, Del Bianco Editore, Trieste, 1981
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