Appian Way

• 1. Introduction

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  The Appian Way stretches from the heart of Rome to the port of Brindisi at the southeastern tip of Italy, covering a distance that took armies days to march and took engineers a vision bold enough to cut straight through swamps, mountains, and centuries of inertia. Its Latin name, Via Appia, carries the weight of a title: Statius recorded it as Appia longarum regina viarum, meaning the queen of the long roads.

  That title was earned. Before this road existed, Rome could not effectively supply troops fighting in the south. A vast malarial swamp called the Pontine Marshes blocked the most direct route. The roads that did exist were Etruscan, built to reach Etruria, not to move legions toward Capua or Tarentum.

  Then, in 312 BC, a single Roman official decided not to wait for the Senate's instructions. He began digging. What happened next would shape the military geography of Italy for centuries. And the stone surface he laid down, fitted so tightly that the ancient writer Procopius said it looked like the rocks had grown together, still exists beneath the feet of visitors today.

• 2. The Man Who Built It

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  Appius Claudius Caecus became censor at Rome in 312 BC. His family, the gens Claudia, were patricians who traced their lineage to the Sabines absorbed into early Rome, and the name Appius itself came from the founding ancestor of the line, Attus Clausus in the original Sabine form.

  He was, by the accounts preserved in ancient literature, something of an outlier among the Roman elite. A populist, he advocated for the common people at a time when that was unusual for a patrician. He was a man of discernment and sharp perception. Ancient tradition held that in later years he lost his eyesight, which is why he acquired the name caecus, meaning blind. That tradition also noted that in antique literature, blindness was sometimes associated with great vision, in the same way the poet Homer was said to be blind.

  Without senatorial direction, Appius Claudius launched two enormous projects. One was the Aqua Appia, an aqueduct to secure Rome's water supply. The other was the road. He did not wait to be assigned the work. He saw the military problem, understood what infrastructure could solve it, and acted. After his censorship ended, the road's success was not lost on his contemporaries. He became consul twice, held other offices, and remained a respected adviser to the Roman state into his later years.

• 3. The Swamp That Stopped Rome

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  The Pontine Marshes, known in Latin as the Pomptinae paludes, sat between Rome and Capua like a deliberate obstacle. Stagnant, foul-smelling, infested with malaria, the marshes were bordered by sand dunes that blocked drainage to the sea.

  During the First Samnite War, which ran from 343 to 341 BC, Roman commanders discovered a brutal logistical truth: they could not keep troops supplied across that terrain when fighting the Samnites to the south. The Via Latina wound through the foothills of the Monti Laziali and Monti Lepini, a route that was ancient and barely more passable than no road at all. The coastal path was tortuous, running between Ostia and Neapolis without a direct line.

  Rome's solution in the short term was to simply abandon the campaign and settle with Samnium. But the problem did not go away. When the Second Samnite War broke out in 327 BC, the need for reliable supply lines had become undeniable. Appius Claudius answered that need by designing the road to run straight across the marsh on a stone causeway roughly 19 miles long. He also attempted to drain the marsh itself, taking up earlier failed efforts. That part did not work. The causeway and its bridges required constant maintenance for generations. In 162 BC, a Roman official named Marcus Cornelius Cathegus had a canal dug alongside the road as an alternative when repairs made it impassable. Romans preferred using the canal.

• 4. Stone, Mortar, and Precision

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  The road began in the Forum Romanum, passed through the Servian Wall at the Porta Capena, and moved through a cutting in the clivus Martis before leaving the city entirely. The builders initially followed an existing track called the Via Norba toward the Alban Hills.

  Construction started with a leveled dirt path on which small stones and mortar were placed. That base was covered with gravel and then topped with interlocking stones cut to fit together tightly enough that they appeared, as Procopius put it, to have grown together rather than been placed. The road was cambered, meaning it arched slightly in the middle so water would run off to the sides. Drainage ditches flanked both edges, protected by retaining walls in the lower-lying sections. Dirt pathways ran alongside as sidewalks.

  The Via Appia is believed to have been the first Roman road to use lime cement. The materials were volcanic rock. The original surface, by ancient report, was so smooth that you could not see where one stone ended and the next began. Centuries of weathering have left the surviving Roman section with a rough surface, the cement eroded from the joints, though the stones themselves remain. Across the Alban Hills, the road refused to follow the terrain's contours. It went straight through on cuts and fills, with steep gradients. Then came the marsh, where the straightness had to be purchased with constant repair of the causeway below.

• 5. Expansion and Pyrrhus

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  The road's first section ran 132 Roman miles from Rome to Capua, equivalent to roughly 121 miles. That was the road that won the Second Samnite War. Rome reversed its fortunes, brought Etruria to the negotiating table in 311 BC, and forced Samnium to terms in 304 BC. The road was the factor that let Roman forces concentrate quickly and stay supplied once concentrated.

  During the Third Samnite War, which ran from 298 to 290 BC, Rome extended the Via Appia a further 35 miles past Capua, beyond the Caudine Forks, to a place the Samnites called Maloenton, meaning passage of the flocks. Rome would later rename the town Beneventum. By around 290 BC, the Via Appia pushed further into Apulia, reaching Venusia, where Rome planted a colony of 20,000 men.

  Tarentum, the leading city of the Greek presence in southern Italy, was alarmed. They hired King Pyrrhus of Epirus to fight Rome on their behalf. At the Battle of Heraclea in 280 BC, Pyrrhus defeated a Roman force at significant cost to his own side. His remark, preserved in ancient sources, was: "One more such victory and I am lost." Advancing toward Rome, Pyrrhus took the Via Appia and then the Via Latina, but he was alert to geography. He knew that pressing on via the Appia risked entrapment in the marsh. He turned back after encountering opposition at Anagni. Supplied by the same road network Pyrrhus had feared, Rome defeated his army in a two-day battle at Beneventum in 275 BC. Pyrrhus withdrew to Greece and died in a street fight in Argos in 272 BC. Tarentum fell to Rome that same year.

  Rome pushed the Via Appia to the port of Brundisium in 264 BC, completing the route. From Capua to Brundisium was 233 Roman miles, just over 214 miles. Appius Claudius died in 273, before the final extension, but no one has ever tried to give the road a different name.

• 6. Blood and Memory

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  In 73 BC, an ex-gladiator from Capua named Spartacus led a slave revolt that became the Third Servile War. Slaves at that time accounted for roughly one in every three people in Italy. Spartacus defeated multiple Roman armies over more than two years of fighting.

  Trying to escape from Italy, he moved his forces toward Brundisium, but in doing so he entered the same geographic trap in Apulia that had checked Pyrrhus two centuries earlier. Rome recalled legions from abroad and Spartacus was caught between armies. Marcus Licinius Crassus defeated the ex-slave army at the Siler River. Pompey's forces captured and killed thousands of rebels who escaped the battle, and Crassus captured thousands more.

  The Romans decided the slaves had forfeited their right to live. In 71 BC, 6,000 of them were crucified along the 200 kilometers of the Via Appia from Rome to Capua.

  Nearly two thousand years later, the same terrain asserted itself again. In 1943, Allied forces landed at Anzio-Nettuno, the ancient Antium, midway between Ostia and Terracina, intending to move along the line of the Via Appia and take Rome while outflanking the German position at Monte Cassino. The marsh itself had finally been drained by engineers working under Benito Mussolini, though malarial mosquitoes remained until DDT became available in the 1950s. The Germans occupied the heights of Mounts Laziali and Lepini along the old Via Latina track, raining shells down on the Allied position. The battle lasted four months before the Allies broke out in May 1944. The road had done exactly what it always did: it channeled forces, defined the options, and rewarded the side that understood the ground.

• 7. The Road Today

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  Pope Pius VI ordered the restoration of the old road's visible section near Rome, and in 1784 a new parallel road was built as far as the Alban Hills region. That newer route became the Via Appia Nuova, the New Appian Way, while the ancient course became the Via Appia Antica.

  The construction of Rome's ring road, the Grande Raccordo Anulare, in 1951 physically severed the Appian Way in two. Later improvements to the ring road included a tunnel built under the Appia, restoring the ability to walk the old road continuously for about 10 miles from its start near the Baths of Caracalla.

  The first 3 miles of the Antica remain busy with vehicles, but beyond that the traffic thins and the ruins can be explored on foot. Within the second mile stands the Church of Domine Quo Vadis. Three catacombs of Roman and early Christian origin and one of Jewish origin lie along or near the road's closest section to Rome. The monuments along the road range from the Porta Appia, also called the Porta San Sebastiano, to the Circus of Maxentius, the Tomb of Caecilia Metella, and the Villa dei Quintili with its nympheum, theatre, and baths.

  The road inspired the final movement of Ottorino Respighi's Pini di Roma. During the 1960 Summer Olympics, it served as part of the marathon course, which was won by Abebe Bikila of Ethiopia. And the Via Appia still holds the longest stretch of straight road in Europe, totaling 62 kilometers. In July 2024, the Appian Way entered the UNESCO World Heritage List.