The stacking of a shipping container on top of another container. To allow of double stack containers on a route, railroads frequently need to raise bridge and tunnel clearances.
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America Scores a D+
The 2017 Infrastructure Report Card gives our nation a D+ across 16 infrastructure categories #InfrastructureMatters
Fix the Trust Fund
#FixTheTrustFund to put us on a road to better transportation! #InfrastructureMatters