The Rozelle Interchange tunnel project, described as one of the most complex underground junctions in the world, has opened in Sydney after three years of construction work.
The A$3.9bn (£2bn) Rozelle interchange is a 33km project that includes 24km of tunnelling underneath the Rozelle Rail Yards. There three levels of…
Latest Tunnels News
Tideway hits another milestone as Albert Embankment cofferdam flooded
The Albert Embankment cofferdam built out into the River Thames in central London as part of Tideway has been re-flooded – signalling the latest milestone for the £4.5bn super sewer project.
The cofferdam along the Thames’ south bank in Lambeth was first created in November 2018 by building a wall of…
Shaft tunnelling for water pipe installation spares 200-year-old rail line
An innovative tunnel boring shaft technique has enabled Northumbrian Water to lay a new water pipe under a 200-year-old railway without disruption.
Northumbrian Water’s partner Mott MacDonald Bentley successfully used the underground tunnelling method which allowed the pipes to be laid underneath the Bowes Railway Company Hauler site near Durham, which…
Indian authorities devise escape method for workers trapped in collapsed under-construction tunnel
Authorities are devising a rescue method for around 40 workers who are trapped inside an under-construction tunnel in north India that collapsed on Sunday 12 November.
The workers were ending their night shift before going off to celebrate Diwali when a portion of the Silkyara tunnel in Uttarkashi collapsed while they…
Detailed tests into mystery of discoloured water in Whitehaven harbour and tunnel commence
Network Rail has commenced “detailed tests” to uncover the issue behind the discolouration of water in the Whitehaven harbour and the rail tunnel that runs beneath it.
The tunnel sits on the Cumbrian Coast line and takes trains 1km underground between Corkickle and Whitehaven. It has been known to flood and…
‘Complex’ horizontal directional drilling underway at Snowy 2.0 to prepare for service pipes
Specialised drilling is underway at Australia's Snowy 2.0 pumped hydro scheme to prepare for services including power and communications between Lobs Hole, Marica and Tantangara.
Snowy 2.0 is a pumped hydro battery megaproject in New South Wales, Australia connecting two existing dams through a 27-km underground tunnel and a new underground…
Biden pledges $16.4bn to remedy US’ busiest rail line as New York construction on Hudson River tunnel begins
President of the United States Joe Biden has announced $16.4bn (£13.5bn) will be spent on 25 improvement schemes for the nation’s busiest rail line, Amtrak’s Northeast Corridor.
The announcement was made just as work for the final part of an underground casing project on the New York side of the Hudson…
NAO raises concerns over DfT’s ability to deliver major projects
The Department for Transport (DfT) may be unable to afford all the transport projects it has pledged to deliver under its £41bn annual budget, a new report from the National Audit Office (NAO) has warned.
The Departmental Overview 2022-23 of the DfT, compiled by the government auditing body, outlines principal risks…
Repairs to world’s longest rail tunnel to continue to September after derailment caused ‘serious damage’
Gotthard Base Tunnel, the world’s longest rail tunnel, will not return to full operation until September next year due to damage caused by a freight train derailment in August, Swiss authorities have said.
SBB, the Swiss national rail operator, has stated that the derailment of the freight train on 10 August…
Council leader urges government to ‘get on with’ £9bn Lower Thames Crossing
The leader of Dartford Borough Council has urged the government to “get on with” the Lower Thames Crossing (LTC) to help cope with the negative effect the at-capacity Dartford Crossing has on the local area.
Proposals for the new major tunnel are currently with the Planning Inspectorate but in March the…