The 4th Annual International Conference on Next Generation Infrastructures will deal with critical infrastructures. This conference will be held in the Uniteds States for the first time. The previous host cities include Shenzhen (China) in 2010, Chennai (India) in 2009, and Rotterdam (The Netherlands) in 2008. Old Dominion University, Norfolk, Virginia (USA) is the proud host of this conference. This conference will be held from November 16-18 2011 at the Virginia Beach Resort Hotel and Conference Center, Virginia Beach, Virginia (USA). NGInfra’s conference on infrastructures is sponsored by Old Dominion University and the Next Generation Infrastructures Foundation, Delft, The Netherlands.