South Australian Consolidated Regulations10A—Vehicles not
permitted in lanes marked "bus only"
Despite anything in Part 11 (Keeping left, overtaking and other driving rules)
or Part 12 (Restrictions on stopping and parking) of the Rules, a driver
(except the driver of a public bus or emergency vehicle) must not drive or
stop in a bus lane or other marked lane (or portion of such a lane) the road
surface of which is painted red and marked with the words "bus only" in white
letters.
Maximum penalty: $2 500.