(22.Juli 2009) The existing rail route, which begins in Riga, Latvia, and ends at border points in Uzbekistan and Tajikistan, appears to be experiencing bottlenecks and other problems. On June 5, TRANSCOM officials told EurasiaNet, „We have shipped roughly 750 containers of construction material and other general supplies for US forces in Afghanistan through the NDN, which includes the original ‚proof of concept‘ shipment of about 200 containers. „