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Transport Infrastructure Ireland

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Transport Infrastructure Ireland
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Transport Infrastructure Ireland (TII) (Bonneagar Iompair Éireann) is the operational name of the National Roads Authority (NRA), an Irish state body founded in 1994 under the terms of the Roads Act 1993 and responsible for the planning and management of the Republic of Ireland's National Roads Network – motorways, national primary, and national secondary roads – as well as for supervising the construction and maintenance of these roads.

Use of the present operational name was authorized by Statutory Instrument No 297/2015 – Roads Act 2015 (Operational Name of National Roads Authority) Order 2015 – which specified Transport Infrastructure Ireland as "a name by which the National Roads Authority may describe itself for operational purposes [...] to better reflect its expanded remit following the transfer [to it] of [the] functions of the Railway Procurement Agency", and the change came into effect on 1 August 2015.

Among other responsibilities, TII operate the 'Motorway Traffic Control Centre' in Dublin. This is responsible for monitoring roadside technology and logging incidents on Ireland's motorways and high-quality dual carriageways. To tackle issues on the M50, in 2021 they began the 'enhancing Motorway Operation Services' Programme (eMOS), which involved introducing the Network Intelligence & Management System (NIMS) to the M50 and its feeder roads.

Junctions

Main Article: Transport Infrastructure Ireland (Junctions)

Bridges, Tunnels, and other Crossings

Main Article: Transport Infrastructure Ireland (Crossings)



Links



Transport Infrastructure Ireland
Projects
Crossings
Roads
Burren Coastal Route • Dublin Outer Orbital Motorway • E01 • E20 • E30 • E201 • Fairview Spur • M1 (Republic of Ireland) • M2 (Republic of Ireland) • M3 (Republic of Ireland) • M4 (Republic of Ireland) • M6 (Republic of Ireland) • M7 (Republic of Ireland) • M8 (Republic of Ireland) • M9 (Republic of Ireland) • M10 (Republic of Ireland) • M11 (Republic of Ireland) • M17 (Republic of Ireland) • M18 (Republic of Ireland) • M20 (Republic of Ireland) • M21 (Republic of Ireland) • M28 (Republic of Ireland) • M40 (Republic of Ireland) • M50 (Republic of Ireland) • N1 • N2 • N3 • N4 • N5 • N6 • N7 • N8 • N9 • N10 • N11 • N12 • N13 • N14 • N15 • N16 • N17 • N18 • N19 • N20 • N21 • N22 • N23 • N24 • N25 • N26 • N27 • N28 • N29 • N30 • N31 • N33 • N40 • N50 • N51 • N52 • N53 • N54 • N55 • N56 • N58 • N59 • N60 • N61 • N62 • N63 • N65 • N67 • N68 • N69 • N70 • N71 • N72 • N73 • N74 • N75 • N76 • N77 • N78 • N80 • N81 • N83 • N84 • N85 • N86 • N87 • Ring of Beara • Ring of Kerry • Skellig Ring • South East Coastal Drive • West Cork Coastal Route • Wild Atlantic Way
Miscellaneous
Road Basics
Physical layoutSingle track • Single carriageway • Dual carriageway • High Quality Dual Carriageway • Road Widths • Urban Streets • Abandoned Road
Legal typesAll-purpose Road • Special Road • Motorway • Trunk road • Principal road • Classified Numbered road • Classified Unnumbered Road • Unclassified road • Primary Route • Non Primary Route • Right of Way • Unadopted road
Road numbers1922 Road Lists • Classification • Defunct road • Euroroutes • MoT Maps • National Cycle Network • Numbering principles • Numbering anomalies • Disputed Numbers • Recycled number • Unallocated numbers • Fictional Road Numbers • Junction numbers • Essential Traffic Routes • Street Names
Road FeaturesArterial Road • Automatic Bollard • Balancing Pond • Belisha Beacon • Bott's Dots • Bypass • Cannon • Cats' Eyes • Cattle Grid • CD Lanes • Central Reservation • Chopsticks • Crash Barrier • Cuttings and Embankments • Cycle Lane • Emergency Phone • Escape lane • Expressway • Fingerpost • Flare • Ford • Gore • Green Bridge • Green Wave • Hairpin bend • Hard shoulder • Island • Junction • Layby • Level Crossing • Local Access Road • Managed Motorways • Milestone • Multi Lane Drop • Multiplex • No-Car Lane • Nose • Oxbow Road • Parapet • Petrol station • Play Street • Raised Pavement Markers • Ramp Metering • Retaining Wall • Road Studs • Roadside Art • Roadside Quarry • Roadworks • Secret motorway • Service Area • Signage • Smart Motorway • Snow pole • Speed Limit • Spur • Street Lighting • Surface Dressing • Temporary terminus • Throughpass • Tidal Flow • Tiger tail • Toll booth • Traffic cone • Traffic Signals • Tunnel • Vehicle Recovery • Walking and Cycling Friendly Road • Weaving • Wig-Wag Signals • Winter Maintenance • Zip merge
Traffic CalmingBuild-Outs • Chicane • Dragon's Teeth • Home Zone • Low Traffic Neighbourhood • Pinch Point • Quiet Lane • Rumble strips • Safety Cameras • Sleeping Policeman • Speed bump
Public Transport FeaturesBus Lane • Bus stop • Guided Busway • Park and Ride • Tramway • Trolleybus System
Other termsAnderson report • Guildford Rules • Highway Authority • Highway Code • Model Traffic Area • Motorway alphabet • Pre-Worboys • Primary Destinations • Roads by 10 • Transport alphabet • Worboys report
AcronymsAADT • ADS • ANPR • ATM • DfT • GSJ • HA • HATO • HE • HETO • HQDC • LAR • LILO • LTN • MOVA • NCN • NMU • NRA • PBU • POPE • PTS • PFI • RCS • SABRE • SCOOT • SSD • SON • SOX • SRN • TEN-T • TERN • TfL • TII • TOTSO • TRO • TSM • TSRGD • UTC • VAS • VMS • VSL
Roads policy and legislation
Legislation (UK)Road Traffic Act 1930 • Trunk Roads Act 1936 • Trunk Roads Act 1946 • Special Roads Act 1949 • Highways Act 1980 • Roads (Scotland) Act 1984 • Road  Traffic Regulation Act 1984 • Transport (Scotland) Act 2005 • Infrastructure Act 2015 • Transport (Scotland) Act 2019
Legislation (Ireland)Roads Act 1920 • Local Government (Roads and Drainage) Act 1968 • Local Government (Roads and Motorways) Act 1974 • Local Government (Toll Roads) Act 1979 • Roads Act 1993 • Roads (Amendment) Act 1998 • Roads Act 2007 • Local Government (Roads Functions) Act 2007 • Roads Act 2015
PolicyRoads for the Future (1969) • Road Development Plan (Ireland 1979) • Policy Planning and Framework for Roads (Ireland 1985) • Roads For Prosperity (1989) • A New Deal for Trunk Roads in England (1998) • Road Investment Strategy (2014)
Governmental bodiesDepartment for Infrastructure (Roads) • Department for Transport • National Highways • North and Mid Wales Trunk Road Agent • Office of Rail and Road • South Wales Trunk Road Agent • Transport Focus • Transport Infrastructure Ireland • Transport Scotland
Studies and ReportsCairngorm Area - Technical Report 1967 • Routes South of Edinburgh
Other termsProtected Road • Section 278 Agreement • Special Road

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