Questions about Roman roads

Short answers, pulled from the story.

When did the first Roman roads appear near Rome?

The year 500 BC marked the appearance of the Via Gabiana near Rome. This early track was little more than a levelled earthen path through the Italian countryside.

How wide were public roads according to the Laws of the Twelve Tables?

Public roads mandated by the Laws of the Twelve Tables dated to about 450 BC required eight Roman feet width where straight. Curved sections needed double that width to allow two carts to pass without interference.

Who had authority to construct and repair all roads during early periods?

Censors held paramount authority to construct and repair all roads during early periods before delegating duties to special commissioners called curatores viarum. Augustus restructured this system in 20 BC by appointing permanent magistrates with senatorial or equestrian rank.

What engineering device did Roman surveyors use to establish right angles for new roadbeds?

Roman engineers employed a device called the groma to establish right angles for new roadbeds. Surveyors placed rods along the desired line and commanded teams to adjust them until alignment was perfect.

When did the Appian Way arrive as a major paved highway extending from Rome to Apulia?

The Appian Way arrived in 312 BC as a major paved highway extending from Rome to Apulia. It represented a shift from loose tracks to engineered infrastructure compared to earlier dirt roads like the Via Salaria which dated back to 361 BC.