“…Spatial data analysis has been used widely in various areas of civil engineering, such as construction engineering and management (Lee and Adams, 2004; Cheng et al, 2005; Jie and Caldas, 2008; Jia and Wang, 2010), transportation engineering (Li et al, 2007; Vlahogianni et al, 2007; Wang and Kockelman, 2009), water pipeline condition assessment (Adachi and Ellingwood, 2009; de Oliveira et al, 2011), and hydrology (Olivera and Maidment, 1999; Olivera, 2001; Olivera et al, 2006; Cho and Olivera, 2009). In PMS, spatial data analysis has been used to cluster pavement sections based on condition uniformity for project segmentation (Yang et al, 2009) and contracting (Kim et al, 2010) purposes, and for identifying uniform regions for performance modeling purposes (Mishalani and Koutsopoulos, 2002). Many agencies use GIS for generating maps and reports and linking multiple data layers.…”