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Duration
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'Transport and economic development' is a strategic research programme within TOI's wider 'Cost benefit analysis' research area. The main objective of the 'Cost benefit analysis' research area is to develop methods and tools for the appraisal of strategic transport plans. This includes the

STRIA Roadmaps
Infrastructure (INF)
Duration
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This sub-programme focuses on NPRA’s strategy for tunnels and follow up issues described in two reports. These reports were written as a consequence of rockfalls in Norwegian road tunnels and reveal the need for improved tunnel maintenance and geological documentation systems. Major issues, such as

STRIA Roadmaps
Infrastructure (INF)
Programme Acronym
ROAD MAINTENANCE
Duration
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The programme is based on results of monitoring road conditions. The following parameters are included: international roughness index, depth of ruts, calculated damage value, and bearing capacity. The actual condition of each road section is determined using limit values of the above-mentioned

STRIA Roadmaps
Infrastructure (INF)

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