The strada statale 18 "Tirrena Inferiore" (SS 18) an Italian state highway long in

Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...

located in the

regions In geography, regions, otherwise referred to as areas, zones, lands or territories, are portions of the Earth's surface that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and ...

Campania Campania is an administrative Regions of Italy, region of Italy located in Southern Italy; most of it is in the south-western portion of the Italian Peninsula (with the Tyrrhenian Sea to its west), but it also includes the small Phlegraean Islan ...

Basilicata Basilicata (, ; ), also known by its ancient name Lucania (, , ), is an administrative region in Southern Italy, bordering on Campania to the west, Apulia to the north and east, and Calabria to the south. It has two coastlines: a 30-kilometr ...

and

Calabria Calabria is a Regions of Italy, region in Southern Italy. It is a peninsula bordered by the region Basilicata to the north, the Ionian Sea to the east, the Strait of Messina to the southwest, which separates it from Sicily, and the Tyrrhenian S ...

. It is among the longest and most important state highways in southern Italy, considering that it follows the Tyrrhenian coast, from

Salerno Salerno (, ; ; ) is an ancient city and ''comune'' (municipality) in Campania, southwestern Italy, and is the capital of the namesake province, being the second largest city in the region by number of inhabitants, after Naples. It is located ...

Reggio di Calabria Reggio di Calabria (; ), commonly and officially referred to as Reggio Calabria, or simply Reggio by its inhabitants, is the largest city in Calabria as well as the seat of the Metropolitan City of Reggio Calabria. As of 2025, it has 168,572 ...

History

The road was created in 1928 with the following route: "

Naples Naples ( ; ; ) is the Regions of Italy, regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 908,082 within the city's administrative limits as of 2025, while its Metropolitan City of N ...

Torre Annunziata Torre Annunziata (; ) is a (municipality) in the Metropolitan City of Naples, in the Italian region of Campania. It is located on the Gulf of Naples, at the foot of Mount Vesuvius. History The city was destroyed in the Vesuvius eruption of 7 ...

Battipaglia Battipaglia () is a municipality (''comune'') in the province of Salerno, in the Campania region of southern Italy. The town is renowned for its production of buffalo mozzarella and is one of the most productive agricultural centers in the Sele ...

Rutino Rutino is a town and ''comune'' in the province of Salerno in the Campania region of southwestern Italy. It is in the geographic region Cilento. Politic geography The comune is divided into Rutino, the principal city, and the "frazione" of Rutino ...

- Vallo -

Torre Orsaia Torre Orsaia ( Cilentan: ''La Turri'') is a town and ''comune'' in the province of Salerno in the Campania region of south-western Italy. History The settlement, originally named ''Turris Ursajae'', was founded in the 11th century, in the current ...

Sapri Sapri is a town and ''comune'' in the province of Salerno in the Campania region of south-western Italy. It is one of the southernmost towns of the region of Cilento and its population is 6,783. History The town of Sapri has ancient origins an ...

Paola Paola is a female given name, the Italian form of the name Paula. In Greek it is Polina. Notable people with the name include: People In arts and entertainment * Paola Del Medico (born 1950), Swiss singer *Paola e Chiara, pop music duo consist ...

Sant'Eufemia Lamezia Lamezia Terme (), commonly called Lamezia, is an Italian city and ''comune'' of 70,452 inhabitants (2013), in the province of Catanzaro in the Calabria region. History The municipality of Lamezia Terme was formally created on 4 January 1968. It ...

Nicastro Nicastro is a town in the province of Catanzaro, in the Calabria region of southern Italy. Since 1968 it constitutes, together with Sambiase and Sant'Eufemia Lamezia, the city of Lamezia Terme. Geography It is situated on the isthmus bet ...

- Monteleone -

Reggio Calabria Reggio di Calabria (; ), commonly and officially referred to as Reggio Calabria, or simply Reggio by its inhabitants, is the List of cities in Italy, largest city in Calabria as well as the seat of the Metropolitan City of Reggio Calabria. As ...

."Legge 17 maggio 1928, n. 1094
/ref> The road was called "Tirrena Inferiore", from the name of the

Tyrrhenian Sea The Tyrrhenian Sea (, ; or ) , , , , is part of the Mediterranean Sea off the western coast of Italy. It is named for the Tyrrhenians, Tyrrhenian people identified with the Etruscans of Italy. Geography The sea is bounded by the islands of C ...

. In 1953 the route was modified.

Route

Old route from Naples (now SR ex SS18)

Campania *

Metropolitan City of Naples The Metropolitan City of Naples () is a Metropolitan cities of Italy, metropolitan city in the Campania region of Italy. Its capital is the city of Naples. The province was established on 1 January 2015 and contains 92 ''comuni'' (: ''comune''). ...

San Giorgio a Cremano San Giorgio a Cremano is a ''city'' in the Metropolitan City of Naples, in Italy. It is located on the foothills of Mount Vesuvius to the west of the volcano and the Tyrrhenian sea, and is five kilometres to the south east of the centre of Naples ...

Portici Portici (; ) is a town and municipality (''comune'') of the Metropolitan City of Naples in the region of Campania in Italy. It has 51,351 inhabitants. Geography Portici lies at the foot of Mount Vesuvius on the Bay of Naples, about southeast of ...

Ercolano Ercolano () is a town and ''comune'' in the Metropolitan City of Naples, Campania of Southern Italy. It lies at the western foot of Mount Vesuvius, on the Bay of Naples, just southeast of the city of Naples. The medieval town of Resina () was bui ...

Torre del Greco Torre del Greco (; ; "Greek man's Tower") is a ''comune'' in the Metropolitan City of Naples in Italy, with a population of c. 85,000 . The locals are sometimes called ''Corallini'' because of the once plentiful coral in the nearby sea, and becaus ...

Pompei Pompei (; ), also known in English as Pompeii ( ) after the name of the ancient city, is a city and in the Metropolitan City of Naples, Italy. It contains the ancient Roman ruins of Pompeii, a UNESCO World Heritage Site. History Modern Po ...

. *

Province of Salerno The province of Salerno () is a province in the Campania region of Italy. It has 1,054,766 inhabitants as of 2025. Geography The largest towns in the province are: Salerno, the capital, which has a population of 131,950; Cava de' Tirreni, Bat ...

Scafati Scafati () is a ''comune'' (municipality) in the province of Salerno, in the Italy, Italian region of Campania. Geography Scafati is situated on the river Sarno. Under the bridge over the river into the village, the Sarno divides into a primary ...

Angri Angri is a town and ''comune A (; : , ) is an administrative division of Italy, roughly equivalent to a township or municipality. It is the third-level administrative division of Italy, after regions () and provinces (). The can also have ...

, Sant'Egidio del Monte Albino, Pagani,

Nocera Inferiore Nocera Inferiore ( or simply , , locally ) is a town and ''comune'' in the province of Salerno, in Campania in southern Italy. It lies west of Nocera Superiore, at the foot of Monte Albino, some 20 km east-southeast of Naples by rail. ...

, Nocera Superiore, Cava de' Tirreni,

Vietri sul Mare Vietri sul Mare is a ''comune'' (municipality) in the province of Salerno, in the Italian region of Campania. It is situated just west of Salerno, separated from the Port of Salerno by only a harbour wall. The town is known for its polychrome ce ...

Current route

Campania *

Pontecagnano Pontecagnano Faiano (also known simply as Pontecagnano) is a town and ''comune'' of the province of Salerno in the Campania region of south-west Italy. The area dates back to Roman times when the city of Picentia stood in its place and was destroye ...

, Bivio Pratole (

Montecorvino Pugliano Montecorvino Pugliano is a town and ''comune'' in the province of Salerno in the Campania region of south-west Italy. The communal seat is in Pugliano; no settlement in the municipality is called "Montecorvino", a toponym related to the nearby com ...

-Bellizzi),

Bellizzi Bellizzi is a town and comune in the province of Salerno in the Campania region of south-western Italy. History Bellizzi was a ''frazione'' of Montecorvino Rovella until 2 January 1990, when it became a comune following a referendum held in 19 ...

, Corno d'Oro (

Eboli Eboli (Neapolitan language, Ebolitano: ) is a town and ''comune'' of Campania, southern Italy, in the province of Salerno. Eboli, an agricultural centre, is renowned for its olive oil and dairy products, most notably the famous buffalo mozzarel ...

), Cioffi (Eboli),

Santa Cecilia Santa Cecilia (English: Saint Cecilia) may refer to: Places Brazil * Santa Cecília, Santa, Catarina, a city * Santa Cecília (district of São Paulo), a district of the city of São Paulo and a neighbourhood within the district * Santa Cecília ...

(Eboli), Ponte Barizzo (

Capaccio Capaccio is a surname. Notable people with the surname include: * Julius Capaccio (1552–1634), Italian humanist *Mike Capaccio Mike Capaccio (born December 17, 1957) is an American athletics administrator, currently serving as athletic directo ...

Paestum Paestum ( , , ) was a major Ancient Greece, ancient Greek city on the coast of the Tyrrhenian Sea, in Magna Graecia. The ruins of Paestum are famous for their three ancient Greek temples in the Doric order dating from about 550 to 450 BCE that ...

(Capaccio), Mattine (

Agropoli Agropoli is a town and ''comune'' located in the Cilento area of the province of Salerno, Campania, Italy. It is situated at the start of the Cilentan Coast, on the Tyrrhenian Sea. History Pre-medieval period The promontory on which Agropoli ...

), Ogliastro Cilento,

Prignano Cilento Prignano Cilento is a town and ''comune'' in the province of Salerno in the Campania region of south-western Italy. As of 2017 its population was of 1,035. Geography Location Prignano is located in northern Cilento and borders with the municipal ...

, Sant'Antuono (Torchiara),

, Omignano Scalo ( Omignano), Vallo Scalo ( Casal Velino), Pantana ( Castelnuovo Cilento),

Vallo della Lucania Vallo della Lucania (commonly known simply as ''Vallo'') is a town and ''comune'' in the province of Salerno in the Campania region of south-western Italy. It lies in the middle of Cilento and its population is 8,680. History A settlement calle ...

Novi Velia Novi Velia is a town and ''comune'' of the Province of Salerno, Campania, southern Italy. It is located in the southern Cilento area. The town takes its name from the ancient Greek town of Velia, whose archaeological remains are located nearby. ...

, San Biase ( Ceraso), Massascusa (Ceraso),

Cuccaro Vetere Cuccaro Vetere (Cilentan dialect, Cilentan: ''Cuccare'') is a town and ''comune'' in the province of Salerno in the Campania region of south-western Italy. References Cities and towns in Campania Localities of Cilento {{Campa ...

, Futani,

Montano Antilia Montano Antilia is a town and ''comune'' of the province of Salerno in the Campania region of south-west Italy. History Originally known as "Montagna" and after "Montana", it was founded on the ruins of an Ancient Greek settlement. It was a '' ca ...

Laurito Laurito is a town and ''comune'' in the province of Salerno Campania, southern Italy, about 200 km south of Napoli. See also *Cilento Cilento () is an Italian mountain range (part of the Lucan Apennines), which gives its name to a ge ...

Alfano Alfano is a village and small ''comune'' in the province of Salerno in the Campania region of south-western Italy. As of December 31, 2012, the comune had a population of 1082. History There is little reliable evidence on the ancient history of A ...

Castel Ruggero Castel Ruggero, also spelled as Castelruggero, is a southern Italian village and hamlet (''frazione'') of Torre Orsaia, a municipality in the province of Salerno, Campania. As of 2011, it had a population of 400. History The village was founded i ...

(Torre Orsaia),

Policastro Bussentino Policastro Bussentino (or simply Policastro) is an Italian town and hamlet (''frazione'') of the municipality of Santa Marina (of which it is its seat) in the province of Salerno, Campania region. It is a former bishopric, now titular see, and ...

( Santa Marina), Capitello ( Ispani), Villammare (

Vibonati Vibonati ( Cilentan: ''Livunati'') is a town and ''comune'' in the province of Salerno in the Campania region of south-western Italy. Geography Located in southern Cilento, Vibonati is a hilltown nearby the Cilentan Coast, few km far from Sapri, ...

. Basilicata *

Province of Potenza The province of Potenza (; Potentino: ) is a province in the Basilicata region of Italy. Its capital is the city of Potenza. Geography It has an area of and a total population of 369,538 (as of 2017). There are 100 ''comuni'' (singular: ''com ...

: Acquafredda, Cersuta, Marina di Maratea, Castrocucco (all ''frazioni'' of

Maratea Maratea (; ) is an Italian town and ''comune'' of Basilicata, in the province of Potenza. It is the only ''comune'' of the region on the Tyrrhenian coast, and is known as "the Pearl of the Tyrrhenian". Owing to the considerable number of its ch ...

). Calabria *

Province of Cosenza The province of Cosenza () is a province in the Calabria region of Italy. Its capital is the city of Cosenza. It contains 150 ''comuni'' (: ''comune''), listed at list of ''comuni'' of the province of Cosenza. The province of Cosenza contains ...

: Tortora Marina ( Tortora), Praia a Mare, San Nicola Arcella,

Scalea Scalea ( Calabrian: , lit. "stair" or "ladder") is a town and ''comune'' in the province of Cosenza in the Calabria region of southern Italy. The town takes its name from its terraced layout on a hillside at the bottom of the Capo Scalea promontory ...

, Santa Maria del Cedro, Grisolia, Cirella, Diamante, Belvedere Marittimo, Sangineto, Bonifati, Cetraro, Acquappesa, Marina di Guardia Piemontese (

Guardia Piemontese Guardia Piemontese ( Occitan: ''La Gàrdia'') is a town and ''comune'' in the province of Cosenza and the region of Calabria in southern Italy. Location and language Guardia Piemontese is located about 55 km northwest of Cosenza o ...

), Marina di Fuscaldo (

Fuscaldo Fuscaldo is a town and ''comune'' in the province of Cosenza in the Calabria region of southern Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Ital ...

San Lucido San Lucido ( Calabrian: ) is a town and ''comune'' in the province of Cosenza in the Calabria region of southern Italy. Geography The municipality borders with Falconara Albanese, Marano Marchesato, Marano Principato, Paola, Rende and San Fi ...

, Falconara Albanese, Fiumefreddo Bruzio,

Longobardi Longobardi may refer to: * Lombards The Lombards () or Longobards () were a Germanic peoples, Germanic people who conquered most of the Italian Peninsula between 568 and 774. The medieval Lombard historian Paul the Deacon wrote in the ''His ...

Belmonte Calabro Belmonte Calabro, known simply as Belmonte ( Calabrian: ) prior to the proclamation of the Kingdom of Italy, is a town and ''comune'' in the province of Cosenza, in Calabria (Southern Italy). The town is perched on a hilltop on the coast of the Ty ...

Amantea Amantea ( Calabrian: ; ) is a town, former bishopric, ''comune'' (municipality) and Latin Catholic titular see in the province of Cosenza in the Calabria region of southern Italy. It is the twentieth municipality in the region by population, while ...

, Campora San Giovanni. *

Province of Catanzaro The province of Catanzaro (; Catanzarese: ) is a province of the Calabria region of Italy. The city Catanzaro is both capital of the province and capital of the region of Calabria. The province contains 80 '' comuni'' (: ''comune''). Catanza ...

Nocera Terinese Nocera Terinese is a town and ''comune'' of the province of Catanzaro in the Calabria region of southern Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consist ...

, Falerna Marina (

Falerna Falerna () is a town and ''comune'' in the province of Catanzaro, in the Calabria region of southern Italy.Falerna website http://www.comune.falerna.cz.it/ It lies on the A3 motorway. There are two sections of the city. Falerna, the oldest sect ...

), Gizzeria Lido (

Gizzeria Gizzeria ( Calabrian: ; ) is an Arbëreshë ''comune'' and town in the province of Catanzaro in the Calabria region of Italy. Overview The center of town is above sea level. Monte Mancuso is the town's highest point at above sea level. Gizzer ...

Lamezia Terme Lamezia Terme (), commonly called Lamezia, is an Italian city and ''comune'' of 70,452 inhabitants (2013), in the province of Catanzaro in the Calabria region. History The municipality of Lamezia Terme was formally created on 4 January 1968. It ...

, Curinga. *

Province of Vibo Valentia The province of Vibo Valentia (; Vibonese: ) is a province in the Calabria region of Italy, set up by a national law of 6 March 1992, which came into effect on 1 January 1996, and formerly part of the province of Catanzaro. Its capital is the ...

: Pizzo Calabro,

Vibo Valentia Vibo Valentia (; Monteleone before 1861; Monteleone di Calabria from 1861 to 1928; or ) is a city and ''comune'' (municipality) in the Italian region of Calabria, near the Tyrrhenian Sea. It is the capital of the province of Vibo Valentia, and ...

, Mileto. *

Metropolitan City of Reggio Calabria Metropolitan City of Reggio Calabria () is an area of local government at the level of metropolitan city in the Calabria region of Italy. It comprises the territory of the city of Reggio Calabria and 97 other ''comuni'' (: ''comune'') in the hin ...

Rosarno Rosarno is a ''comune'' (municipality) in the Metropolitan City of Reggio Calabria in the Italian region of Calabria. It is about southwest of Catanzaro and about northeast of Reggio Calabria. Rosarno stands on a natural terrace cloaked in olive ...

Gioia Tauro Gioia Tauro () is a ''comune'' (municipality) in the Metropolitan City of Reggio Calabria (Italy), on the Tyrrhenian coast. It has an important port, situated along the route connecting Suez to Gibraltar, one of the busiest maritime corridors in ...

, Palmi,

Seminara Seminara is a ''comune'' (municipality) in the Province of Reggio Calabria in the Italian region Calabria, located about southwest of Catanzaro and about northeast of Reggio Calabria. Seminara borders the following municipalities: Bagnara Cal ...

Bagnara Calabra Bagnara Calabra (or simply Bagnara) is a ''comune'' (municipality) in the Province of Reggio Calabria in Calabria, southern Italy. It is located in the hills facing the Tyrrhenian Sea on the southern tip of the region, about southwest of Catanza ...

Scilla ''Scilla'' () is a genus of about 30 to 80 species of bulb-forming perennial plant, perennial herbaceous plants in the family Asparagaceae, subfamily Scilloideae. Sometimes called the squills in English, they are native to woodlands, subalpine ...

Villa San Giovanni Villa San Giovanni () is a port city and a municipality in the Metropolitan City of Reggio Calabria of Calabria, Italy. In 2010 its population was 13,747 with a decrease of 2.5% until 2016 and in 2020 an increase of 3.7%. It is an important term ...

References

External links

{{State highways in Italy

018 018 may refer to: *Air Canada Flight 018, an airline flight from Hong Kong to Vancouver, Canada, illegally boarded by a Chinese man wearing a disguise in 2010 *Area code 018, a telephone area code in Uppsala, Sweden *BMW 018, an experimental turboj ...

Transport in Campania Transport in Basilicata Transport in Calabria Transport infrastructure completed in 1928 1928 establishments in Italy