Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks (permanently installed heating or blowing devices for roads Fulltext... Hierarchy... Expanded...E01C 11/24); Anti-dazzle arrangements
P:80
E01F 8/00
Arrangements for absorbing or reflecting air transmitted noise from road or railway traffic (ground installations for reducing aircraft noise Fulltext... Hierarchy... Expanded...B64F 1/00; general building constructions for absorbing or reflecting noise, noise absorption or reflection for buildings Fulltext... Hierarchy... Expanded...E04B 1/74) [3]
Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact (arrangements for fastening signs or signals to safety barriers or the like Fulltext... Hierarchy... Expanded...E01F 9/011; for forcibly arresting vehicles Fulltext... Hierarchy... Expanded...E01F 13/00) [6]