The National Tunnel Inspection Standards (NTIS) has a new guidance document, Compliance Review Manual, that gives guidance and direction to the FHWA Division Bridge Engineers in performing National Tunnel Inspection Program (NTIP) compliance reviews of State tunnel safety inspection programs.
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An important objective in the strategic work in PIARC for the next cycle (2020 - 2023) is to improve the resilience of road infrastructure through the effective management of assets in accordance with user expectations and government requirements.
The peak organisation of Australasian road transport and traffic agencies, Austroads, identifies factors that contribute to the occurrence and severity of collisions adjacent to and within tunnels and suggests remedial treatments. The objectives of this study were to identify factors that contribute to the occurrence and severity of collisions adjacent to and within tunnels and remedial treatments that will reduce the incidence and severity of these collisions.