The Republic of San Marino's public transport network consists of a local bus network and the Funivia di San Marino, an aerial cablecar system between Borgo Maggiore and the City of San Marino. Both means are operated by the Azienda Autonoma di Stato per i Servizi Pubblici, the Sammarinese state company for public transport.^[1][2]

Using the country's main road, the San Marino Highway, and its Italian continuation, the SS72 state road, coach companies offer several daily connections to Rimini, the closest Italian city.^[3] The country has no navigable waterways and no international airport, though it has signed several bilateral agreements with the Italian government concerning Federico Fellini International Airport, in Rimini's frazione of Miramare.^[4][5][6] A small general aviation aerodrome in the country's east, Torraccia Airfield, is owned and operated by Aeroclub San Marino,^[7][8][9] a flying club with approximately 100 members.^[10]

San Marino's railway connection to Rimini was closed and dismantled after the Second World War,^[11][12] and a helicopter service connecting Borgo Maggiore to Rimini and San Leo closed in 1969.^[13][14]

The main road is the San Marino Highway, a dual carriageway which runs between Borgo Maggiore and Dogana through Domagnano and Serravalle. After crossing the international border at Dogana, the highway continues through Italy as the SS72 state road, touching the international border at Rovereta. It serves Cerasolo, a frazione of Coriano, and the Rimini Sud exit of the A14 tolled highway, before terminating at the crossroads with the SS16 [it] state road.^[15]

Several taxi companies operate in San Marino.^[16]

The Funivia di San Marino is an aerial cablecar system connecting a lower terminus in Borgo Maggiore to an upper terminus in the City of San Marino.^[17] Running every fifteen minutes, the two-minute ride is renowned for its paronamic views over San Marino, the Province of Rimini, and the Adriatic Sea.^[17][18] The cablecar system is a major tourist attraction, and considered a defining symbol of San Marino.^{[17][18][19][20][21][22]}

The cablecar system transports 500,000 passengers yearly across approximately 21,000 trips.^[1][23] It was inaugurated on 1 August 1959.^{[23][24][25][26]} In 1995 and 1996, it was modernised with double load-bearing cables built by Doppelmayr Italia,^[27][24] and further renovated in spring 2017.^[22][24]

As of December 2023, the Azienda Autonoma di Stato per i Servizi Pubblici, the Sammarinese state company for public transport, operates eight bus routes entirely within San Marino. All but one line starts in the City of San Marino, with several lines serving Borgo Maggiore, Domagnano, Serravalle, Dogana, and San Marino Hospital.^[2]

START Romagna SpA operates several routes near San Marino's borders, but not within Sammarinese territory:

• Route 7 terminates near the border at Rovereta, and runs to Rimini's port via the SS72 state road, Cerasolo, a frazione of Coriano, and Rimini's city centre.^[28]
• Route 16 runs between the border at Dogana and the village of Santa Cristina.^[29]
• Route 160 serves Torello, across the border from Gualdicciolo, and runs between Rimini (through Verucchio) and Novafeltria.^[30]

Rimini and San Marino are connected by the coach companies Bonelli and Benedettini, which provide several services per day throughout the year.^[3] In the City of San Marino, the coaches depart from the central bus stop in Piazzale Marino Calcigni,^[3][31] then stop in Borgo Maggiore, Domagnano, Serravalle, Dogana, and Cerasolo, before reaching Rimini's Arch of Augustus and railway station.^[3] The coaches complete the route in approximately fifty minutes.^[3]

Between 1932 and 1944, a 31.5-kilometre (19.6-mile) electrified narrow gauge railway operated between Rimini and the City of San Marino, serving Dogana, Serravalle, Domagnano, and Borgo Maggiore along its route.^[41] During the Second World War, the line was bombed and closed,^[41][42] after which its tunnels sheltered refugees during the Battles of Rimini and San Marino.^[43][11] After the war, the railway was abandoned in favour of the San Marino Highway and Funivia di San Marino.^[11][12]

In 2012, an 800-metre (1⁄2-mile) section was reopened as a heritage railway in the City of San Marino, running between Piazzale della Stazione and near Via Napoleone.^[44] The restored section comprises the original railway's final horseshoe turn through the 502-metre (1,647-foot) Montale tunnel.^[45][46]

Despite its short operational history, the Rimini–San Marino railway retains an important place in Sammarinese culture and history,^[12] and has featured on Sammarinese postal stamps.^{[47][48][49][50]} Both the Sammarinese and Italian governments have expressed interest in reopening the line.^{[44][51][52][53][54]}

Between 1921 and 1960, San Marino was also served by a station on the Rimini–Novafeltria railway [it] in Torello, on the other side of the international border from Gualdicciolo in San Marino's west.^[55] This provided San Marino its first railway station, albeit located in Italian territory.^[56][57]