When completed, it stretched for 73 1/2 miles from Bowness to Wallsend
[DOC] [TLE] milecastle photos on Flickr | Flickr [PAR] The wall stretches 73 miles (80 roman miles) from Segedunum at Wallaend on 
the River Tyne to the shore of the Solway Firth just west of Bowness-0n-Solway.