Transportation terminology · MLC-0120

Transportation terms: U (8)

• Unique CarrierUnique Carrier Code. It is the Carrier Code most recently used by a carrier. A numeric suffix is used to...
• Unique Carrier EntityUnique Carrier Entity. This field distinguishes entities used by two or more carriers with a numeric suffix...
• Unique Carrier NameUnique Carrier Name. It is the name most recently used by a carrier. If two or more carriers have the same...
• Unlinked passenger trips (Transit)The number of passengers who board public transportation vehicles. A passenger is counted each time he/she...
• Urban highwayAny highway, road, or street within the boundaries of an urban area. An urban area is an area including and...
• Urbanized AreaAn approximate classification of sample households as belonging to an urbanized area. Those classified as...
• U.S. flag carrier or American flag carrier (Air)One of a class of air carriers holding a Certificate of Public Convenience and Necessity issued by the U.S...
• USPS CodesUnited States Postal Service (USPS) codes for States are used in all American Travel Survey (ATS) data...

8 of 450 terms in Transportation terminology (MLC-0120). Request the full dataset.