To facilitate the ban on 5-axled HGVs in Greater Dublin, there are no tolls for vehicles in excess of 3,500 kg MLW, or for vehicles capable of carrying 25 passengers or more. The original tolling scheme saw three stages of tolling:   To alleviate congestion and due to extra capacity, these tolls have now been revised. As of 1 January 2010 the tolls are:   The toll plaza is located beside the tunnel control building at the southern portal, near Dublin Port. To date, tolls have been payable either on an ad-hoc basis by cash, credit or debit card or electronically by using a tolling tag from a provider such as eFlow. Cash payments are made either to a cashier, or by dropping coins only (5c denomination and above only) into an automatic counter in certain lanes. The project was joint winner in December 2003 of the British Geotechnical Association's international Fleming award for excellence in geotechnical design and construction. The award was for the innovative 'observational approach' used in optimising the design of the tunnel launch shaft in Whitehall, and for the soil-nailed open-cut section of the works accommodating the northern cut and cover tunnel. The award was shared with the recovery operation project for the World Trade Center, following the 2001 attack. There are 15 pedestrian crossing points (PCPs) situated 250 m apart with emergency telephone and fire fighting niches. Additional fire hose reels are located 125 m from each niche. There are four vehicle crossover points at 1 km intervals comprising a lay-by plus emergency and recovery area. These are located under Shantalla, Collins Avenue (site of the original launch shaft), Marino and Cloisters. GSM telephone and FM radio coverage is carried into the tunnel with break-in facilities over public broadcasts in the event of an emergency. There are 420 cameras attached to the vehicle management system (VMS). A maximum speed limit of 80 km/h (50 mph) is in place and HGVs are prevented from using the outside lane. Overheight vehicles are detected up to 3 km from the tunnel portals and automatic signage is then deployed to stop the vehicle. If necessary, barriers can be lowered to protect the portals. RTÉ's Prime Time ran two reports (28 February and 4 March 2008) alleging that tunnel operator Transroute and the National Roads Authority were keeping the tunnel open in situations contrary to the tunnel safety manual. These included: The programme claimed that the tunnel safety manual had been re-written to allow the tunnel to remain open despite safety failures that would previously have required "immediate closure".