Same, never heard the term. Nor have I seen the lanes (I'm east coast). Scotland has tons of these in rural areas, where the roads are literal single-track (on

Same, never heard the term. Nor have I seen the lanes (I'm east coast). Scotland has tons of these in rural areas, where the roads are literal single-track (only one lane wide). Used for on-coming traffic instead passing. It works fine, because the speeds are low and people are used it.