Barossa Valley Way is the main road linking most of the major towns of the Barossa Valley in South Australia, designated as route B19 for its entire length. It is 35 km long, roughly following the North Para River.
Flinders Highway connects the South Australian towns of Ceduna and Port Lincoln, a distance of 396 kilometres (246 mi), and is currently signed as B100. Flinders Highway - along with Lincoln Highway - presents an alternative but somewhat longer coastal route between Ceduna and Port Augusta, compared to the more direct route along Eyre Highway.
Tod Highway is an important 177 kilometre highway serving South Australia's Eyre Peninsula's wheatbelt, and is designated route B90. It is named after Robert Tod who explored the area in 1839.
Southern Ports Highway is a 119 kilometres rural highway in South Australia that connects Kingston SE with Millicent via Rendelsham, Southend, Beachport and Robe. It is a former alignment of Princes Highway, bypassed in 1933.
Kensington Road is a main road in the South Australian capital city of Adelaide, linking the Adelaide city centre to its eastern suburbs.
Salisbury Highway is a 15 kilometre major connecting road in the northern suburbs of the Adelaide metropolitan area. It is designated part of route A9.
Sir Donald Bradman Drive is a major arterial road that travels east–west through the western suburbs of Adelaide, South Australia. It is the main route from the Adelaide city centre to the Adelaide Airport.
Montague Road is an east-west route across the suburbs of Adelaide, about 12 kilometres (7.5 mi) north of the city centre. It connects Port Wakefield Road at Cavan across Main North Road at Pooraka to North East Road at Modbury.
Lower North East Road is an arterial road in the northeastern suburbs of Adelaide, South Australia. It links the north-eastern corner of Adelaide to Houghton in the Adelaide Hills, and is an urban alternative to North East Road.
Strathalbyn Road is a South Australian road connecting the towns of Aldgate, Mylor, Echunga, Macclesfield and Strathalbyn, designated part of route B33.
Onkaparinga Valley Road is a South Australian secondary road, connecting the towns of Birdwood, Woodside, Balhannah and Verdun within the Adelaide Hills. It is designated part of route B34.
Alexandrina Road is a South Australian secondary road, connecting the towns of Strathalbyn and Goolwa. It has been designated part of route B37.
Magill Road is a major arterial road in the South Australian capital of Adelaide, connecting its inner eastern suburbs past Magill at the western foot of the Mount Lofty Ranges. It has been designated part of route B27.
The Parade, often referred to as Norwood Parade, is a major arterial road in the South Australian capital of Adelaide, connecting its inner eastern suburbs to the western foot of the Mount Lofty Ranges.
Churchill Road is an arterial road in the inner northern suburbs of Adelaide, Australia.
Birdseye Highway is an east–west road across Eyre Peninsula in South Australia. It was named for Sylvia Birdseye who drove the first bus service to the area from Adelaide for 43 years, starting in 1928, and the first highway in South Australia to be named for a woman.
Ngarkat Highway is a road in the southeastern part of South Australia, connecting Pinnaroo and Bordertown. It is designated as part of route B57 which continues north from Pinnaroo along Browns Well Highway to Loxton, and south from Bordertown along Naracoorte Road to Naracoorte.
Playford Highway is a main road on Kangaroo Island in South Australia, with its eastern end designated part of route B23. It extends from Kingscote through Cygnet River and Parndana to Cape Borda.
The Outback Highway is the road from Hawker along the western side of the Flinders Ranges through Leigh Creek to Marree. It is designated as part of route B83 from Hawker to Lyndhurst. Route B83 continues south from Hawker along the Flinders Ranges Way.
Unley Road is a road in the City of Unley, located south of the City of Adelaide, the capital of South Australia. It runs from South Terrace to Cross Road, where it becomes Belair Road. The road was named after the family name of the wife of Thomas Whistler, owner of land in Unley which was laid out around 1857.
B31 (1998–present)
Lower North East Road 
North East Road 
