In September or October 1921, Ashby and Roland A.L. Fell (a BSR scholar and fellow ambulance officer whom Ashby had met on the Italian front in WWI) walked a short section of the Via Flaminia in Lazio. The men started their walk at Civita Castellana station, photographing the nearby remains of the medieval castle at Borghetto (pictured). The tower of the castle has since been badly damaged, so the ruins are not as imposing today as they were in 1921. This stretch of the Via Flaminia, including the region known as Muro del Peccato a short distance to the north, was rich in archaeological remains. As a result, Ashby returned to this section of the road in the following year (1922) to survey the region with the aid of two BSR architectural scholars, Stephen Rowland Pierce and Edward W. Armstrong.

Photo by Thomas Ashby: Castello di Borghetto near Civita Castellana station, 1921, Thomas Ashby Collection, TA-LVIII.059