Curb extensions forming a "gateway" at the mouth of an intersection in the NATCO Urban Street Design Guide. Click on image for details, and visit the Slow Ottawa 'Streets for Everyone' Pinterest board for more of these superb illustrations.
204-ROMAN TOWN PLANNING, Ostia: Plan of the Forum. below the Temple of Rome and Augustus, Ostia. In the first century AD, Tiberius built the town's first Forum. The Forum was remodeled during the reign of Hadrian (117-138 AD). The town was also soon enriched by the construction of a new harbor on the northern mouths of the Tiber. The sea port of Ostia brought more commerce to the city.