Trajan's Arch
About
A triple-arched gateway in gold sandstone came to mark the western end of Timgad's decumanus maximus around 200 CE, a century after the colony's founding. Its inscription still credits Trajan, who chartered the city in 100 CE, though the emperor never saw this particular monument built in his name. The arch rose 12 meters tall, its central passage spanning 6 meters above the roadway. It replaced a plainer western gate that had stood on the same spot since the city's earliest years. Built roughly a century after Trajan founded the colony, most likely under Septimius Severus. Despite the name, this monument was not standing in 117 CE; a simpler original gate occupied the site at the time of this snapshot.
What happened here
It carries no gate and defends nothing. An arch marks a threshold — a boundary, a road junction, the entrance to a forum — and it exists to make you look up while you pass under it. The attic carries the dedication in bronze letters set into cut sockets; the letters go missing and the sockets stay. The panels beneath show the campaign being celebrated, arranged so that the version of events the emperor prefers is the one at eye level. Traffic goes through it all day, ox carts scraping the jambs. A triumph passes under it once, if at all; the rest of its working life is as a landmark, a meeting point and a shaded spot for someone selling something.
Sources
Nearby
Roman Maps shows the empire frozen at 11 August 117 CE, the day Trajan died — its moment of greatest territorial extent. Explore the full map →