Category:Tunnels in Piedmont
- Regions of Italy: Abruzzo · Aosta Valley · Basilicata · Calabria · Campania · Emilia-Romagna · Friuli-Venezia Giulia · Lazio · Liguria · Lombardy · Marche · Molise · Piedmont · Sardinia · Sicily · Trentino-South Tyrol · Tuscany · Umbria · Veneto
Italiano: Gallerie in Piemonte.
Subcategories
This category has the following 3 subcategories, out of 3 total.