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Issue guidance for FHWA Divisions on how to verify that State DOTs, Federal agencies, and tribal governments have reported all highway tunnels to the national tunnel inventory; and for informing those stakeholders of methods they could employ to identify all structures considered to be highway tunnels.

Questioned Costs
$0
Funds for Better Use
$0
Recommendation Status
Open
Source UUID
ST2023012-2
Report
FHWA Has Made Progress Implementing a Tunnel Safety Program, but Work Remains To Complete a Reliable Inventory, Fully Assess Compliance, and Effectively Monitor Critical Risks
Recommendation Number
2
Significant Recommendation
Yes