The road sign shown indicates:

1. 1The beginning of a built-up area in which the requirements of these Road Traffic Rules that determine the procedure for travel in built-up areas apply.
2. 2The beginning of a built-up area in which, on this road, the requirements of the Road Traffic Rules that determine the procedure for travel in built-up areas do not apply.
3. 3The beginning of the development of a built-up area directly beside the carriageway.