GPS is a technology that allows the location of a receiver on the planet to be determined in terms of latitude and longitude with a high degree of accuracy. ... Compared with manual methods, GPS can help automate and speed GIS data processing and lower costs. It is also less labor ... For example, the city of Ontario spent $515 and 41 person-hours to inventory 942 fire hydrants using GPS. The sameanbsp;...
|Title||:||NCHRP Synthesis of Highway Practice|
|Author||:||National Cooperative Highway Research Program|