ABSTRACT
ABSTRACT: The Pisa Municipality is working on the geographic information system of its roads. The A.S.T.R.O. Laboratory of Civil Engineering Department of Pisa University has performed the survey of these roads by mobile mapping system. The aim of this paper is to highlight the differences between the survey of suburban roads and the survey of urban roads. These differences are discussed both during survey step and during elaboration and visualization step. Moreover, this paper briefly describes the update of road graph and the standards for this updating procedure given by “Iter.net” project of Tuscany Region.
