2Use of permanent variable speed limit and lane control signs in construction and maintenance work areas on motorways#

This section can be applied to permanent variable speed limit and lane control signs at static work sites on motorways and tunnels only. It is not applied to variable speed limit and lane control signs for mobile works or frequently changing work areas.

Guidance for temporary variable speed limit signs used at construction zones is outlined in Chapter 2 Section 1 Use of temporary variable speed limit signs in construction and maintenance work areas on motorways of this document.