Optimization Model of Network-Level Pavement Maintenance Decision considering User Travel Time and Vehicle Fuel Consumption Costs

Table 9

Optimal maintenance methods on the different road sections under different combinations.

Combination	Road number
	1	2	3	4	5	6	7	8	9	10
1	I	II	II	I	I	II	I	II	II	II
2	I	II			I	II	I	II	II	II
3
4	II	V				V	II	V		II
5		V
6
7		V
8		V
9
10		III						III
11

I denotes the routine maintain, II represents paving of overlay, III indicates the paving of anti-skid layer, IV refers to the pavement rehabilitation, and V denotes the structural reinforcement.