Road traffic related data generating system for e.g. lorry, has warning unit that produces warning to be transmitted to monitoring center through radio frequency unit according to referential data lists stored in storage unit

摘要

The system has a computer (16) with a warning unit (59) that produces a warning to be transmitted to a monitoring center through a radio frequency (RF) unit (17) according to referential data lists stored in a storage unit (61). The storage unit stores referential speed corresponding to a regulation speed authorized on lanes, where the warning is generated by comparing a real speed of the vehicle with the referential speed.