Ca' Tron – Via Annia and Pons Annia
Accommodation in Ca' Tron
Ca’ Tron offers two different perspectives on routes: Pons Annia represents a modern crossing of the Sile, while the Via Annia represents ancient road routes and construction history. This distinction is useful when planning. If you are interested in routes on foot or by bike, Pons Annia is a tangible point of reference. If you are interested in cultural history, you can place the routes, bridges and traces of settlements in their historical context. In this way, Ca’ Tron connects a modern mobility option with a topic shaped by archaeology.
Pons Annia: a modern crossing of the Sile
Pons Annia is a footbridge and cycle bridge over the Sile River between Ca’ Tron and Portegrandi. As of 2026, pedestrians, cyclists and users of lightweight electric mobility devices can use the bridge. It connects the campus with Portegrandi, the GiraSile Sile cycle path and the marina. This connection therefore has several specific points of reference: crossing the Sile, the cycle path and the marina. If you want to focus on walking or cycling, the bridge offers a tangible starting point for choosing a travel focus.
Via Annia: two routes and early construction history
At Ca’ Tron, the Via Annia splits into two routes; they meet again in the area of ancient Altinum. Ca’ Tron can therefore be understood as the branching point of the ancient transport route, while Altinum is the shared point of reference for the two routes. The older coastal route probably followed a road dating from the Iron Age, between the 9th and 6th centuries BC. The history of these routes thus brings together different periods: a possible earlier road horizon and the Roman Via Annia.
A stone Roman bridge at Ca’ Tron is reliably dated to the first half of the 1st century AD. The bridges on the two Via Annia routes also differ in their construction: the bridge on the older route was made of wood. The bridge on the inner route was built of stone and brick on wooden foundations and had a single arch. The comparison reveals not only the different routes, but also their different construction methods.
Archaeological traces in a changing landscape
The two Via Annia routes crossed a watercourse called paleoalveo della Canna, which has since disappeared. The landscape history of the Tenuta agricola Ca’ Tron also goes back a long way: the historic landscape was created through land reclamation several centuries ago. The vanished watercourse and the land reclamation point to different changes in this landscape; the history of the transport routes can thus be considered alongside the development of the area.
Archaeological investigations identified nine extensive rural settlements on the Tenuta agricola Ca’ Tron estate. Three of these were excavated between 2004 and 2010. At some rural settlement sites near Ca’ Tron, mosaic tesserae and painted plaster led researchers to classify them as villae rusticae. These settlements add a second perspective to the history of the roads: alongside the transport routes, the rural settlement landscape also comes into view.
If you are considering Ca’ Tron as a possible place to stay overnight, you can choose to focus on the modern bridge connection or the history of the Via Annia. When planning other destinations, you can also compare the pages for Caerano Di San Marco, Trevignano, San Zenone Degli Ezzelini and Catena.
For the overview of the wider area: Treviso.
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