Each driver shall develop a route to and from work. The driver shall be responsible for picking up and returning each passenger to a designated location to be determined by the driver. The driver, with assistance from the department of administration, shall be responsible for recruiting passengers for said vehicle. While the program is primarily intended to serve employees of the state of Kansas, non-state employees may also participate to the extent determined to be in the best interest of the state by the secretary of administration. All passengers must sign written agreements to participate in this program. At least one alternate driver shall be selected to drive said vehicle in the absence of the primary driver.