The rail lines layer represents the freight lines of the nation's railroad system. The data set covers all 50 states and the District of Columbia, as well as territories and possessions of the United States. This layer has been trimmed to the Region 9 Area: California, Hawaii, Arizona, Nevada as well as New Mexico. This product is an interim deliverable. States currently complete but not visible in this layer include Alabama, Arkansas, Connecticut, District of Columbia, Delaware, Florida, Georgia, Idaho, Illinois, Iowa, Louisiana, Maine, Maryland, Massachusetts, Mississippi, Missouri, Montana, New Hampshire, New Mexico, North Carolina, North Dakota, Oregon, Puerto Rico, Rhode Island, South Carolina, Tennessee, Texas, Vermont, Virginia, Washington, and Wyoming. States not completed include Alaska, California, Colorado, Indiana, Kansas, Kentucky, Michigan, Minnesota, Nebraska, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, South Dakota, Utah, West Virginia, and Wisconsin. No rail lines exist in American Samoa, Guam, Northern Mariana Islands, and the Virgin Islands of the US.