27 This web-based mapping/geographic information system provides valid estimates of road distances at low cost, it has fewer usability problems than other similar systems, 28 and it has been used previously in healthcare.
Always follow the rules of the road valid for your state or country.
The two scenarios (free driving and following vehicle) were executed successively by each driver and the same was valid for the different road contexts in each scenario (highway, rural, urban).
It requires that drivers hold a professional ad-hoc driving license, a certificate attesting that the bus is operational, a successful technical inspection of the bus, a valid compulsory insurance against road traffic crashes, and a negative alcohol testing for drivers.
All pedestrians hit by cars or trams on a carriage-way were included because, according to the Czech laws on road traffic valid until January 2001, pedestrians were obliged to give way to all approaching vehicles before entering the carriage-way, even on the pedestrian crossing.
The reason for this is that the off-road model is valid when the pedestrian is on-road as well, but the opposite is not true if the target is too far from the road.
Mr. Offsay's initial concerns about the challenges and costs of producing a road show proved valid.
As a measure to reduce the drawbacks of such differences, the European Union has passed legislation aiming at making available interoperable road charging services, valid across all charging systems a vehicle might pass during a European journey.
Data messages are sent only upon the occurrence of an event, e.g., an accident on the road, and are valid within a geographical region and time period as determined by the application.
However, such an assumption is not valid in urban scenarios, where a complex road grid with multiple road directions must be considered when relaying data messages.
