A Two-Stage Model for Project Optimization in Transportation Infrastructure Management System

Table 1

Results of new method.

Year	No. of segments to be treated	Length of road to be treated (m)	Area of pavement to be treated (m^2)	Total maintenance cost (¥10,000)	Average PCI of pavement network	Average PII of pavement network
2005	60	17859	187210	1320	89.6	483649.2
2006	56	17234	223318	1470	88.3	361548
2007	63	17298	221853	1540	87.1	571428.7
2008	81	23026	303050	1450	86.8 (minimal)	888703.5
2009	89	23103	307059	1700	87	782662.4
2010	112	28812	334866	1670	88.3	780185.2
2011	85	22393	310335	1670	88.8	755266.7
2012	80	22567	328590	1660	89.3	675452.1
2013	98	22582	272024	1700	90.6	520031.3
2014	75	22688	319542	1580	91.1 (minimal)	504012.8
Total	799	217562	2807847	15760	88.69	6322940