Features

The potential for high occupancy toll (HOT) lanes in congested US cities offers further room for development, according to US-based transport expert Bob Poole of the Reason Foundation. At present Atlanta, Dallas, Houston, San Diego, San Francisco and Seattle all feature HOT lanes and Poole believes that the nation's capital, Washington DC, could benefit from a similar approach.

Most of the major manufacturers of extraction and crushing equipment worldwide will be present at the upcoming Hillhead show, either directly or through local distributors. Set in a working quarry, the Hillhead exhibition has set a lead for the quarrying sector. An industry only show, the event is being held this year at the Hillhead Quarry, Buxton in the UK on 22-24 June.

Corporate results from a series of equipment manufacturers for the early part of 2011 all seem to agree that demand for machines continues to improve.

Waste & Resources Action Programme (WRAP) is a UK government-funded body designed to encourage greater resource efficiency. This body completed a trial with contractor Balfour Beatty and the Highways Agency to test the innovative use of recycled organic compost along roadside embankments.

Leica Geosystems says that its new Viva TS12 performance robotic package offers a comprehensive package of surveying solutions.

Vietnam's Ho Chi Minh City's dense population, which was estimated to be 10,680 persons/km2 in 2005, is, over the next ten years, set to benefit from the completion of the Thu Thiem Urban Area project, which will provide homes for up to 200,000 people.

AT THE TIME of year it is worth considering how strong the construction market will be towards the end of 2010 and on into 2011. The build-up to the Bauma construction equipment exhibition in Munich, the world's largest exhibition, has helped fuel new product introductions from manufacturers, attracted contractors to visit the event and brought healthy interest to the construction sector as a whole.

There is a lot of work to do on Bulgarian roads, but the government has plans to increase the length of highways built each year as Krasimir Krastanov reports. Bulgarian roads with a pavement make up 98.4% of all the country's roads, while 92.5% of them have an asphalt surface and 82.8% of them are able to carry 10tonnes/axle.

While tunnels are often more expensive than bridges, they can offer environmentally attractive options for transport schemes. Tunnels offer environmentally attractive options for a range of transport infrastructure schemes, but in many cases high construction costs may restrict their use.

Novel safety barrier solutions are coming to market, writes Mike Woof The safety barrier market is a focus for innovative products designed to meet a range of different applications. The diverse range of vehicle types on the road poses numerous technical challenges to barrier manufacturers. At the same time, different applications such as motorcycle safety, end treatments, bridge barriers and roadside obstacle protection require novel solutions. Although motorcycles account for only a small proportion of ve

Light and illumination equipment supplier Thorn Lighting, part of the Zumtobel Group, is to add a basic version of Lighting Reality's design and calculation simulation software to its products, initially for those sold in France and potentially across Europe.

Savoy Computing in the UK has been quick to launch a new version of its AutoTrack swept-path analysis software to take advantage of the latest AutoCAD 2012 platform.

British scanning company 3D Laser Mapping is hoping to benefit from a £3 million ($5 million) fund announced recently by the UK government for police forces to purchase laser scanning technology for accident recording and investigation.

Recycling is a key issue for asphalt road construction, with many technologies now coming to market. Bith an ever increasing emphasis on sustainability forcing change in the construction sector in Europe and North America, the highway sector now has to seek new solutions.

New advanced software is being released for use by those involved in highway design as Adrian Greeman reports. The growing importance of BIM, building or project information modelling, as a design and construction process, and not just 3D modelling, is the driving force for the latest 2012 versions of Autodesk's comprehensive range of software for civil engineers. This is reflected in a new packaging of its various software tools into suites (along the lines of Microsoft's office suites) tailored to variou