The M50 motorway is a C-shaped orbital motorway in Dublin and the busiest motorway in Ireland. The current route was built in various sections over the course of 27 years, from 1983 to 2010. It begins at Dublin Port, running northward through the Dublin Port Tunnel and along a portion of the Airport Motorway. It then turns west at its junction with the M1, circling the northern, western and southern suburbs of Dublin, before merging with the M11 at Shankill in South East Dublin. The road forms part of European route E01.
The A1 is a major route in Northern Ireland. It runs from Belfast via Lisburn and Banbridge to the border with the Republic of Ireland south of Newry, from where the road continues to Dublin, becoming the N1 road and M1 motorway. Between Sprucefield and Carrickcarnan the road forms part of the European route E01.
The M1 is a motorway in Northern Ireland. It is the longest motorway in Northern Ireland and runs for 38 miles (61 km) from Belfast to Dungannon through County Antrim, County Down, County Armagh and County Tyrone. It forms part of the route via the A1 in Northern Ireland between Belfast and Dublin as well as being a part of the unsigned European E01 and E18 routes.
The M2 is a motorway in Belfast and County Antrim in Northern Ireland. It is in two sections, the southern section running from north Belfast to Antrim and the northern section acts as a bypass of Ballymena, with the A26 road linking the two sections. In total it is 22 miles (36.2 kilometres). The M2 has the busiest sections of any road or motorway in Northern Ireland. The M2 is one of Northern Ireland's most important motorways, forming most of the main route from Belfast city to both Belfast International Airport and less than a quarter of the way to Derry. It forms part of the unsigned European route E01, E16 and E18 roads.
The N18 road is a national primary road in Ireland, connecting the cities of Limerick and Galway. Ennis and Gort are two major towns on the route, and Shannon Airport is reached via the connecting N19. The west coast route continues on to Sligo as the N17. The section from Limerick to the N19 junction forms part of European route E20, and the entire route is part of the proposed Atlantic Corridor. The section of motorway from Shannon to Claregalway is designated the M18 motorway. The tolled Limerick Tunnel forms part of the route.
The M3 is an urban motorway 0.8 miles (1.3 km) in length owned by Siac Construction and Cintra, S.A. that connects the M2 in north Belfast, Northern Ireland to the A2 Sydenham Bypass in east Belfast. It is the shortest motorway in Northern Ireland, and one of the busiest, carrying 60,000 vehicles per day as of 2005. It has a permanent speed limit of 50 mph (80 km/h).
The Belfast–Newry line operates from Lanyon Place station in County Antrim to Newry in County Down, Northern Ireland. The manager for this line is based at Portadown railway station, although the line extends to the border to include the Scarva and Poyntzpass halts and Newry. Newry is on the fringe of the network, being the last stop before the border with the Republic of Ireland. The line follows the route of the northern half of the main Dublin–Belfast line, with the exception of calling at Belfast Great Victoria Street.
The Belfast–Larne line, or Larne line, is a railway line in Northern Ireland, operated by Northern Ireland Railways. It runs as double track along the majority of its route north along the scenic east Antrim coastline from Belfast to the coastal seaport town of Larne, serving commuters and ferry passengers.
Stranmillis is an area in south Belfast, Northern Ireland. It is also an electoral ward for Belfast City Council, part of the Laganbank district electoral area. As part of the Queen's Quarter, it is the location for prominent attractions such as the Ulster Museum and Botanic Gardens. The area is located on Stranmillis Road, with Malone Road to the west and the River Lagan to the east. Its name, meaning "the sweet stream" in Irish, refers to the Lagan, whose waters are still fresh at this point, before becoming brackish as the river flows onward toward its mouth in Belfast Lough.
The Westlink road in Belfast, Northern Ireland is a dual carriageway throughpass, designated the A12, connecting the M1 to the M2 and M3 motorways which run south, north and east of the city, respectively. The road forms part of European route E01.
The M5 is a spur motorway of 1.4 miles (2.3 km) length in north Belfast, Northern Ireland. It connects the M2 to the A2 Shore Road at Hazelbank in Newtownabbey. It is a dual two lane road with most of the road on a causeway in Belfast Lough in order to bypass Whitehouse beach.
The A6 road in Northern Ireland runs for 71.4 miles (114.9 km) from Belfast to Derry, via County Antrim and County Londonderry. From Belfast to Randalstown the route has been superseded by a motorway. Mostly single carriageway, there are sections of dual carriageway in Antrim town centre and from Randalstown to Toome, including the Toome bypass. In urban and suburban districts of Belfast and Derry the route is single carriageway with 4 lanes. In rural parts, there are numerous climbing lanes along the route. The A6 is one of Northern Ireland's most important arterial routes, as the road runs between its two largest cities and urban areas. Between Randalstown and Derry the road forms part of European route E16. There is a new dual carriageway between Drumahoe and Dungiven, which is still under construction as of February 2023.
The subdivisions of Belfast are a series of divisions of Belfast, Northern Ireland that are used for a variety of cultural, electoral, planning and residential purposes.
The A20 is a road in County Down in Northern Ireland. It runs from Belfast to Newtownards and on to Portaferry.
Transportation systems in the city of Belfast, Northern Ireland include road, air, rail, and sea. It is still a relatively car dependent city however it is also served by a comprehensive rail and bus network. Belfast also ran electric trams prior to 1954. The city has two major airports and the Port of Belfast is the busiest ferry port on the island of Ireland.
The Blackstaff River is a watercourse in County Antrim, Northern Ireland. It rises on the eastern slope of the Black Mountain before flowing down into the Bog Meadows and passing under the city of Belfast, where it enters the River Lagan. Much of its course has been culverted and built upon since the 19th century, making it largely invisible today. Its tributaries include the Forth or Clowney River, which meets it beneath the Broadway Roundabout in West Belfast.
Lagan Railway Bridge is a railway and pedestrian bridge across the River Lagan in Belfast, slightly north of Belfast Central railway station. The next bridge upstream is the Albert Bridge, whilst the next downstream is Queen's Bridge.
