Tangenziale di Bologna

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RA1 Motorway shield}}

RA1 Motorway
Autostrada RA1
Tangenziale di Bologna
Route information
Length22.2 km (13.8 mi)
Major junctions
FromCasalecchio di Reno
ToSan Lazzaro di Savena
Highway system
Autostrade of Italy

The Tangenziale di Bologna, or Bologna ring road (officially known as RA 1), is an Italian motorway serving the urban area Bologna.

It runs parallel to Autostrada A14 from Casalecchio di Reno, west of Bologna, to San Lazzaro di Savena, east of Bologna.

It was projected by engineers Francesco Fantoni and Giorgio Mondini; construction works lasted three years, and the infrastructure was inaugurated on 12 July 1967.[1][2]