Conference delegates to visit dual-purpose tunnel

Delegates to the ITS AP Forum will have an opportunity to visit Kuala Lumpur’s Stormwater Management & Road Tunnel (SMART), a unique solution to the Malaysian capital’s long-term traffic and stormwater management problems – the first tunnel of its kind in the world.
March 15, 2012 Read time: 2 mins
Delegates to the ITS AP Forum will have an opportunity to visit Kuala Lumpur’s Stormwater Management & Road Tunnel (SMART), a unique solution to the Malaysian capital’s long-term traffic and stormwater management problems – the first tunnel of its kind in the world. The dual-purpose tunnel can divert floodwaters away from the confluence of two major rivers running through the city centre, while its central section doubles up as a twin deck motorway to relieve traffic congestion at the main southern gateway into the city centre.

SMART, which cost some US$515M and opened to traffic in May 2007, comprises 9.5km of tunnel with the central 3km incorporating the double deck motorway. There are three modes of operation:
Mode one operates under normal conditions when low rainfall means that no water needs to be diverted into the tunnel. Moderate storms activate mode two, when floodwater is channelled into a bypass tunnel in the lower section of the motorway tunnel, enabling it to remain open to traffic; during the once or twice yearly heavy Monsoon storms a switch is made to mode three when the tunnel is closed to road traffic and the full tunnel section, with a combined capacity of three million cubic metres, becomes available to divert the dramatically increased flows of water.
Urban Traffic Control

Related Content

  • Enforcement suppliers highlight industry best practice
    March 15, 2012
    Major suppliers of enforcement technology highlight the countries, regions or cities that they consider to be leading the way in reduction of road traffic violations. The French government’s ambitious programme of enforcing traffic law violations has proven to be an unrivalled success and is continuing to bring improvements in road safety with innovative enforcement technology.
    Read More
  • TM 2.0 boost TMC data feed and driver influence
    November 15, 2017
    TM 2.0 views connected vehicles and V2I as two-way communications channels, benefitting traffic management and drivers, as Alan Dron discovers. As connected vehicles are progressively rolled out there will come a point at which traffic managers and traffic management centres (TMCs) will have to gear up to cope with a rapidly-evolving road scenario. The TM 2.0 Platform (see box) is promoting a concept of new-generation traffic management (which carries the same TM 2.0 title) and is studying how future T
    Read More
  • Healthy prospects for floating vehicle data systems
    February 3, 2012
    Elmar Brockfeld, Alexander Sohr and Peter Wagner from the German Aerospace Center's Institute of Transport Systems look at the prospects for floating vehicle data systems. Although Floating Vehicle Data (FVD) or probe vehicle fleets have been around for about a decade, the idea behind them is of course much older: from probe vehicles that flow with the traffic it should be possible to get a precise, fast and spatially near-complete picture of the prevailing traffic flow conditions in an area under surveilla
    Read More
  • US transportation 'needs political leadership'
    November 9, 2012
    Long-time industry leader John Worthington reflects on where transportation in the US is heading – and where it should be going. Interview with Jason Barnes. The US’s new transportation bill reflects much of what is wrong in the sector in general and in ITS in particular, according to John Worthington. While a decision is welcome, he says, it does little more than provide certainty of funding for anything other than day-to-day operations. Worthington, former Chairman and CEO of TransCore, is back in the ITS
    Read More

Highlighted Content