Road Structures

Kuwait causeway connection construction complete

May 20, 2019

Kuwait’s innovative Sheikh Jaber Al-Ahmad Al-Sabah Causeway connection is now complete and open to traffic. Measuring 48.5km in all, the new causeway comprises the 36.1km Subiyah Link and the 12.4km Doha Link, making this the world’s fourth longest bridge. Dar’s worked as lead consultant on the project working alongside Dar Group sister companies TY Lin International, Ross & Baruzzini and Currie & Brown. Dar was the Engineer’s Representative and the construction supervisor, as well as leading detailed desi

Australia rail crossing upgrade plan

May 17, 2019

A programme of works aimed at eliminating all the rail crossings in Australia’s Victoria State is being established. The work is expected to cost US$705 million (A$1 billion). Eight level crossings will be removed in the north of Melbourne during 2019. In all, 75 level crossings in Melbourne will be removed by 2025. The aim of the plan is to improve safety, replacing the level crossings with either bridges or underpasses.

Chinese tunnel construction project tenders

May 17, 2019

The tender process is now underway for the massive tunnel project for Guangzhou City in China. The tunnel will measure 5.3km in length and the project will also include building approach roads measuring a total of 3.6km. The new tunnel will be built in the city’s Nansha District and will provide a connection under the Zhujiang River Estuary. Building the tunnel and the associated connecting roads is expected to cost US$618 million.

Slovenia-Austria tunnel project contractor selection

May 17, 2019

Construction work is underway on the 8km Karavanke Tunnel connecting Austria and Slovenia. The work is being carried out at present from the Austrian end of the tunnel link. However the selection process for the contractor to handle the Slovenian end of the tunnel is now underway. Six firms have shown interest in the project and are in talks with the Slovenian state motorway operator, DARS.

Italy bridge demolition contract faces challenge

May 17, 2019

One of the contractors working on the demolition of the Morandi Bridge in the city of Genoa in Italy is facing a serious legal issue. The firm, Tecnodem, has been hit by an anti-Mafia ruling. This has come into effect due to alleged links between a senior employee and the Camorra groups. The authorities in Genoa have been carrying out background checks on the numerous companies and employees working on the Morandi Bridge demolition works.

Chilean highway; design unveiled

May 17, 2019

The design of a stretch of Chile’s Americo Vespucio Oriente (AVO) highway has been revealed.

Algeria’s new key road link to cut congestion

May 17, 2019

An important new road section is expected to cut congestion in the area around the city of Constantine once it opens to traffic.

Preventing toxic run-off from roads

May 15, 2019

An innovative sustainable drainage material is said to offer a simple and versatile solution to removing toxic heavy metals pollution from highways. Developed by the water infrastructure systems provider SDS Limited, SDS Aqua-Xchange is a versatile and efficient granular material that captures copper and zinc in surface water runoff from motorways, trunk roads and other high-traffic areas. SDS Aqua-Xchange is an engineered treatment media that can be used to meet the UK’s Sustainable Drainage Systems (S

UAE road project awarded

May 14, 2019

A US$136 million road contract will be carried out in the UAE.

China’s Guizhou Province developing transport infrastructure

May 13, 2019

China’s Guizhou Province is developing its transport infrastructure with a major programme of works being scheduled. Construction for six new highways is commencing during 2019, with the work being planned and managed by the Guizhou Provincial Transportation Department. These six highway sections will all feature at least two lanes in either direction, five of which will be for traffic speeds up to 80km/h. The 162km Nayong to Qinglong highway however will be for speeds up to 100km/h, is costing over US$5.