May 2012 – Nederlandse Spoorwegen (NS), the Dutch railway operator, use track and trace equipment developed by ARS T&TT to identify the positions of their trains. This provides logistical information about diversions, delays and other situations. Since 2011, ARS T&TT has been replacing the existing equipment on behalf of NS. ARS-TT were also awarded the contract to keep the new equipment and software operational for a number of years.