To provide a driving management system by which information is safely and correctly transmitted to a driver.

An additional work is indicated from a controller 206 to a navigation device 201 via a telephone 207 and a portable telephone 205 while the driver is performing the previously indicated work. The indication is stored in the internal memory and memory card 209 of the navigation device 201 and, at the same time, voice guide, that is, 'the additional work indication is transmitted' is issued from the speaker of a display 202. The driver displays information concerning the added work on the display 202 through the use of a remote controller 203 at the point of time when he or she stops a vehicle in a safe place and confirms the contents. When the whole work is ended, the driver carries the memory card 209 to an office in order to execute a report and confirms the work.