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A study sponsored by the American Glass Bead Manufacturers' Association reveals that a growing number of imported glass bead products for highway markings exhibit high concentrations of heavy metals, including arsenic and lead.

Riga International Airport in Latvia is seeing growth in aircraft numbers and passengers, prompting a need for investment and upgrades.

Infrastructure investment will follow granting of a loan worth some US$400 million to Kenya.

A key highway upgrade will improve links between Chinese capital Beijing and Tibet.

Atlas Copco has launched its smallest portable air compressor, the XAS27. This unit is said to offer power, reliability and durability and delivers 27litres/s at pressures of up to 7bars.

With geosynthetics sales set to grow rapidly in the next three years, manufacturers are preparing for the demand. Patrick Smith reports. Global demand for geosynthetics is projected to increase 5.3% annually to 4.7 billion m² in 2013 with countries such as China, India and Russia expected to post the strongest gains through the forecast period. All are building large-scale infrastructure developments and face evolving environmental protection regulations and strict building construction codes.

Rajasthan is one of the most favoured tourist destinations of India for both domestic and international traffic on account of its rich array of historical forts, palaces, art and culture.

Flip Screen Australia has developed the EX80 screening attachment. The offers a simple and robust design and is said to be durable enough to stand up to the most demanding industries including aggregates and roadbuilding, construction and recycling.

Approval has been given for a US$108 million flyover project for Bangladesh. This 8.25km structure will run from Satrasta to Shantinagar via Mauchak, Moghbazar and Malibagh.

Nashville International Airport in the US state of Tennessee has revamped its facilities following extensive upgrades being carried out on its oldest runway in a project worth some US$23 million. The airport authorities realised that to improve both capacity and safety a major improvement of runway 2L-20R was required, with full-depth reconstruction needed to provide the necessary structural strength and working life. Engineering firm Garver Aviation worked on the project to rehabilitate the portion of Runw

A programme of rural road improvements will see the upgrade of 100,000km of links in China's Sichuan Province.

Ammann is following last year's launch of its 17.5tonne ASC170 compactor with models weighing from 11-16tonnes. The ASC110, ASC130 and ASC150 share features with the bigger machine as well as having a reduced drum frame width and a revised weight distribution over the models they replace. The firm says that the design changes improve efficiency making them comparable in productivity with conventional products in the next higher weight category. Compact dimensions increase manoeuvrability and stability of th

With work on Colombia's first La Linea tunnel still incomplete, discussions are now being held regarding plans for the second tunnel.

Plans are now well in hand for Qatar's Lusail Expressway project, which is expected to cost some US$700 million in total.

Swedish contractor Peab Asfalt generally works on major road and highway projects in the inland portion of the country. However the company has shown itself able to take on a considerable challenge, by repaving an airport runway.

Questions are being asked in the US State of Alabama over additional funding being required for an 83km stretch of road.

Specialist geotechnical contractors, Bachy Soletanche has started work on a new grade separated interchange on the A41 road in West Bromwich, West Midlands, England, for a Balfour Beatty/Birse joint venture.

The International Road Federation (IRF), founded in 1948, is the only world forum advocating better and safer roads through better road design and construction bearing in mind the user.

PERI says that its new VST heavy-duty shoring tower serves as load-bearing scaffold for the large bridge and civil engineering projects. Each leg on the VST (VARIOKIT Shoring Tower) system can carry a load of around 600kN (the weight of about 60 VW Golf cars or one Leopard-2 tank), and the extremely flexible modular system can be assembled as segmental sections, towers or shoring tower frames for heights up to 40m.

Legal and technical complications are the cause of a dispute in between the Algerian transport authorities and four Japanese contractors over a US$6.56 billion highway project.