Original sentence: Kansas City's SmartPort web site that among the advantages the city would bring to the port include:.The city has 10,000 acres (40 km²) designation as a free trade zone – the largest area of any city in the United States.The most rail traffic in the United States in terms of tonnage passes through the city
Edited sentence: According to Kansas City SmartPort's web site, the port would ameliorate the city's logistic capabilities along several lines.Kansas City also has designated the largest area of free trade zone in the United States - over 10,000 acres (40 km²).One recognizable advancement is the city now has the most rail traffic in the United States in terms of tonnage passing through the City