State: South Australia
Name Origin: Main South Road: The extension of the
major arterial road which runs north-south through Adelaide; Dudley Road:
Due to Penneshaw and the first 20km of the B23 existing on the Dudley Peninsula
(Kangaroo Island).
Start: Old Noarlunga (A13/B23
junction)
Principal Towns: Old Noarlunga, Aldinga *,
Myponga, Yankalilla,
Normanville, Cape
Jervis, Penneshaw, Kingscote
Finish:
Kingscote
Length: Old Noarlunga-Cape Jervis 75km;
Penneshaw-Kingscote 60km
Road Standard: All bitumen.
Road Quality: Old Noarlunga-Yankalilla:
Excellent quality - Windy at times, particularly between Myponga and Yankalilla
although several overtaking lanes have been recently constructed. Yankalilla-Cape
Jervis: good quality - no overtaking lanes and also windy in several areas.
Penneshaw-Kingscote: Narrow in places although quite flat and straight.
Speed Limit
(outside built up areas):
110km/hr Old Noarlunga-Myponga; 100km/hr elsewhere.
* - denotes towns bypassed by
Main South Road
Photos from the B23 (Click on thumbnail for full sized
image):