Intermodal Freight Bottleneck Measures,,,,
Intermodal facility,Bottleneck measure,Land-side access,Within terminal access,Port-side access
Airports,Intensity of use,AADT per lane-mile,Aircraft operations per runway,
,,Annual tons per lane-mile,Tons of throughput,
,Observed delay,,"Delay per 1,000 operations",
,Estimated delay,Delay per highway lane-mile,,
Seaports,Intensity of use,AADT per lane-mile,Throughput tons per terminal capacity,
,,Annual tons per lane-mile,,
,Observed delay,,,
,Estimated delay,Delay per highway lane-mile,,
Truck-rail terminal access ,Intensity of use,AADT per lane-mile,Throughput tons per terminal capacity,AADT per lane-mile
,,Annual tons per lane-mile,,Annual tons per lane-mile
,Observed delay,,,
,Estimated delay,Delay per highway lane-mile,,
KEY: AADT = average annual daily traffic.,,,,
"SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, “Intermodal Bottleneck Evaluation Tool,” prepared by Oak Ridge National Laboratory, September 2000.",,,,
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