Transportation Dept, also know as Caltrans, manages more than 45,000 miles of California's highway and freeway lanes, provides inter-city rail services, assists more than 100 public general aviation airports and works with local agencies. Caltrans carries out its mission of improving mobility throughout California with six primary programs, including aeronautics, highway transportation, mass transportation, transportation planning, administration and the equipment service center. The department has been active in moving the people and commerce of California for more than 100 years from a loosely connected web of footpaths and rutted wagon routes to the sophisticated system that serves the transportation needs of more than 30 million residents. Headquartered in Sacramento, Transportation Dept, or Caltrans, is a government owned agency. In addition, the company has a facility located in Stockton, Calif., where it employs nearly 330 people.