Review of methodologies and instruments for diagnostics of transport infrastructure

This deliverable provides the critical review of methodologies instruments and standards used for damage detection actions evaluation and identification of system limitations and proposes solutions to be considered in future standards development includingcomprehensive summary of Damage Indicators DIs related to the road infrastructure Key Performance Indicators KPI and proposal for including DIs in evaluating the KPIscorrelation between the DIs and KPIs and the infrastructure Condition State Classification with evaluation of the impact of the infrastructure condition on the maintenance strategies of the overall road networkproposal for procedures for determining DIs based on condition survey data linked with outcomes of WP2T21 devices and WP4T44 algorithms together with the evaluation of damage earlywarning signals reference to and application of Big Data AnalyticsWP4proposal for the development of a Damage Classification Databasesummary and critical review ofProcedures for determining the actions based on condition survey outcomesProcedures for the identification of the system limitations model updating parameters based on the condition survey outcomes