K53 Prep

Motorcycles prohibited

Regulatory R222, TR222
Where you'll see it
On any public road and at the beginning of pedestrian and separate cycle lanes
What it means
To prohibit motorcycles, on part of a carriageway, for safety reasons
What you must do
Motorcyclists may not enter this part of the carriageway, or if this sign is displayed on a freeway, motorcyclists must leave at the first exit

Source: Signs manual R222, TR222