01114225

Component

http://www.trb.org/Publications/Blurbs/160401.aspx

A highway management system consists of four important facilities: pavements, bridges, roadside elements, and traffic control devices. Most road agencies focus on the pavement for maintenance operations as it is directly related to the user costs. Due to limited budgets, maintenance of other facilities is often ignored or deferred. Budget constraint often forces agencies to work on the crisis maintenance basis. This research realizes an important role of these facilities and aims to develop a prioritization framework for their maintenance operations. As the highway management system includes various facilities, objectives, and functions having different measurement scales, the benefits under different dimensions are measured into different units. It makes the decision-making process complicated. In order to eliminate this difficulty, all the units are needed to convert into a nondimensional uniform unit so that decisions can be made under the same platform. This research places an emphasis on developing a multiattribute prioritization framework for bridges, roadside elements (i.e., guardrails, barriers, utility poles, drainage structures, rest areas, right-of-way), and traffic control devices (i.e., signs, pavement markings, traffic lights) maintenance, which allows intangible objectives that are difficult to quantify on an absolute numerical scale to be considered without the need to convert the units into monetary scale. Expert opinions acquired by questionnaire surveys were obtained for the selection of influential factors contributing to the multiattribute prioritization process. Finally, utility functions are derived in this paper based on the weighting factors and related performance indictors. This proposed framework may help planners select a reduced number of alternatives from all available alternatives while ensuring that the selected alternatives are the best possible options.

01114213

IBSMC08-024

English

pp 175-188

2008-10

Transportation Research Circular

Tenth International Conference on Bridge and Structure Management

Web

Figures (5) ; References (13) ; Tables (8)

Barriers (Roads); Bridges; Drainage structures; Guardrails; Maintenance management; Right of way (Land); Roadside rest areas; Roadside structures; Strategic planning; Traffic control devices; Utility poles

Bridges and other structures; Highways; Maintenance and Preservation; Terminals and Facilities; I60: Maintenance

TRIS, TRB

Oct 30 2008 2:54PM

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