On the highway, via means to go "by way of". For example, if you are travelling from Sydney to Melbourne, you may ask "How far is it from Sydney to Melbourne via Canberra?", i.e. going through Canberra on the way.
The via valleria
A Roman highway or main road is called a "via".
Via.
Via NH1
215 kilometres via HIGHWAY 104 and HIGHWAY 102.
2,300 kilometres taking TRANS-CANADA HIGHWAY 1, via B.C. HIGHWAY 5 through the Okanagans, and via ALBERTA HIGHWAY 201 (STONEY TRAIL) - NORTH (EXIT 177 off HIGHWAY 1).
It is actually 3,970 kilometers (2,470 miles) taking the TRANS-CANADA HIGHWAY - EASTIn other words, it is 2,470 miles taking TRANS-CANADA HIGHWAY 1 all the way across to ONTARIO, where TRANS-CANADA HIGHWAY 1 becomes KING'S (Ontario) HIGHWAY 17, via B.C. HIGHWAY 5 through the interior of B.C. and via TRANS-CANADA HIGHWAY 100 (PERIMETER HWY) EAST to bypass WINNIPEG, MANITOBA, then HIGHWAY 17 EAST to Sudbury via KING'S HIGHWAY 17A to bypass KENORA.
Via nuclear pore and later diffusion
if you mean ON the highway it means hospital
114 via Great Western Highway
203 km via HIGHWAY 401.
The shortest distance between the town of Tom Price and Perth, via the Great Northern Highway, is 1458 km. Travelling via the coastal highway, the distance is 1555 km.