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

Table 2

Results of conventional 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	78	24152	269404	2440	90.27	572719
2006	43	13433	173309	1188	88.58 (minimal)	302004
2007	73	20923	257218	2145	87.88	621756
2008	133	37972	461683	2820 (maximal)	89.26	1131875
2009	121	33224	446845	2810	90.77	962347
2010	118	29992	366621	2356	92.51	749037
2011	115	31383	435860	2559	94.38	864322
2012	79	19932	279639	1370	95.09	551289
2013	63	15851	224198	1039	95.13 (maximal)	340663
2014	34	8620	130474	559 (minimal)	94	150450
Total	857	235482	3045251	19286	91.78 (average)	6246469