<P> Vision Zero, which envision reducing road fatalities and serious injuries to zero by 2020, suggests the following "possible long term maximum travel speeds related to the infrastructure, given best practice in vehicle design and 100% restraint use": </P> <Table> Possible Maximum Travel Speeds <Tr> <Th> Type of infrastructure and traffic </Th> <Th> Possible travel speed (km / h) </Th> </Tr> <Tr> <Td> Locations with possible conflicts between pedestrians and cars </Td> <Td> 30 km / h (19 mph) </Td> </Tr> <Tr> <Td> Intersections with possible side impacts between cars </Td> <Td> 50 km / h (31 mph) </Td> </Tr> <Tr> <Td> Roads with possible frontal impacts between cars, including rural roads </Td> <Td> 70 km / h (43 mph) </Td> </Tr> <Tr> <Td> Roads with no possibility of a side impact or frontal impact (only impact with the infrastructure) </Td> <Td> 100 km / h (62 mph) + </Td> </Tr> </Table> <Tr> <Th> Type of infrastructure and traffic </Th> <Th> Possible travel speed (km / h) </Th> </Tr> <Tr> <Td> Locations with possible conflicts between pedestrians and cars </Td> <Td> 30 km / h (19 mph) </Td> </Tr>

The number on the speed limit sign is