While the US has achieved an appreciable level of success when it comes to implementation of standards-based systems at the urban and intersection control levels, the overall standards implementation effort is not progressing at anywhere near a level commensurate with the size of the country and its population, says Christy Peebles, business unit manager with Siemens Industry, Inc.'s Mobility Division. She attributes the situation to a number of factors: "There's a big element of 'Not Invented Here' syndro