A2.49 "National speed limit" in the context of this document means 70mph for dual carriageway roads and 60mph for single carriageway roads.
A2.50 "Order" means any order made under an Act of Parliament, regulation, byelaw or notice for the regulation of traffic.
A2.51 "Overseeing Organisation", in the context of this document, means the body responsible for authorising non-prescribed signs for the road.
A2.52 "Partial contra-flow" means a road works traffic management scheme where primary traffic flows past the works site on both the primary and secondary carriageways.
A2.53 "Pedestrian Crossings Regulations" means the Zebra, Pelican and Puffin Pedestrian Crossings Regulations 1997 (SI 1997 No. 2400), or the Zebra, Pelican and Puffin Pedestrian Crossings Regulations (NI) 2006.
A254 "Portable traffic signals” (portable light signals) means traffic signals, as prescribed by regulation 35 (regulation 32 in Northern Ireland) normally mounted on a tripod, which are intended for positive control of traffic in shuttle lanes for relatively short periods of time.
A2.55 "Precautionary Area" means an area specified as such in the Special Designation file added to either the National Street Gazetteer or Scottish Street Works Register.
A2.56 "Prescribed traffic sign" means a sign as defined in the Road Traffic Regulation Act 1984 section 64, prescribed in the Regulations, identified by reference to a diagram number as shown therein. In Wales bilingual prescribed sign diagram numbers are prefixed by WAG. In Northern Ireland a "prescribed traffic sign" means a sign prescribed by regulations made under Article 28 of the Road Traffic Regulation (NI) Order 1997.
A2.57 "Primary carriageway" means the carriageway on which the road works are being carried out.
A2.58 "Primary distributor road" means an "A" or “B” class road providing traffic movements into and out of a town and linking major residential and commercial districts.
A2.59 "Priority control" means a shuttle lane where one stream of traffic has priority over the other stream indicated by traffic signs.
A2.60 "Public Transport Co-ordinator" means the person holding this post generally in a local authority.
A2.61 "Raised rib" means the alternative edge of carriageway road marking incorporating an audible and tactile warning in the form of a raised rib, diagram 1012.2 used on motorways and diagram 1012.3 used on roads that are not motorways and which have hard strips or hard shoulders.
A2.62 "The Regulations" means the Traffic Signs Regulations and General Directions 2002 (SI 2002 No. 31 13) and subsequent Amendment Regulations and Amendment General Directions. In Northern Ireland, "the Regulations" means the Traffic Signs Regulations (NI) 1997 (SR1997 No 386) and subsequent amendment regulations. In Wales "the Regulations" also include the Traffic Signs (Welsh and English Language Provisions) Regulations and General Directions 1985 (SI 1985 No 713).
A2.63 The term "regulation XX" means the appropriately numbered regulation in the Regulations.
A2.64 A "regulation 53 sign" means a temporary sign complying with the requirements of regulation 53 (in Northern Ireland, regulation 42). Direction 38(1) requires that signs of the kind referred to in the regulation be removed with 6 months (2 years in the case of a sign of the kind referred to in regulation 53(1)(d)), unless the Secretary of State has authorised some longer period.
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