HL Deb 10 September 2003 vol 652 c131WA
Lord Donaldson of Lymington

asked Her Majesty's Government:

Whether, in light of the need for drivers to concentrate on the carriageway ahead rather than on its verges, they will encourage highway authorities to place reminders of speed limitations on the carriageway itself. [HL4287]

Lord Davies of Oldham

Local highway authorities already have powers to place carriageway speed limit roundels on their roads. However, carriageway roundels must be placed adjacent to upright speed limit signs as their visibility can be obscured by snow or other adverse weather conditions.