USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Intermodal Freight Bottleneck Measures

Monday, September 10, 2012

Intermodal Freight Bottleneck Measures

Excel | CSV

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  
Airports Intensity of use Annual tons per lane-mile Tons of throughput  
Airports Observed delay   Delay per 1,000 operations  
Airports Estimated delay Delay per highway lane-mile    
Seaports Intensity of use AADT per lane-mile Throughput tons per terminal capacity  
Seaports Intensity of use Annual tons per lane-mile    
Seaports Observed delay      
Seaports 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
Truck-rail terminal access Intensity of use Annual tons per lane-mile   Annual tons per lane-mile
Truck-rail terminal access Observed delay      
Truck-rail terminal access 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.