Data Dictionary
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The following table describes the variables contained in the database file FAFDATA.DBF
| ID | Integer | Unique identification number |
| VERSION | Character | Used for maintaining consistency across data files containing alternate releases of the FAF. |
| AADT02 | Integer | HPMS annual average daily traffic for year 2002 |
| AADTT02 | Integer | Year 2002 truck volume based on HPMS average truck percentage |
| FAF02 | Integer | FAF 2.2 truck flow based on freight demand model and FAF 2.2 O-D database |
| NONFAF02 | Integer | Local truck traffic that is not part of FAF 2.2 flow |
| AADT35 | Integer | Annual average HPMS daily traffic. Estimated using the HPMS traffic growth factor |
| AADTT35 | Integer | Year 2035 truck volume based on HPMS average truck percentage and traffic growth |
| FAF35 | Integer | FAF 2.2 truck flow based on freight demand model and FAF 2.2 O-D database |
| NONFAF35 | Integer | Local truck traffic that is not part of FAF 2.2 flow |
| CAP02 | Integer | Estimated capacity using HCM 2000 methodology |
| SF02 | Real | Service flow volume/hour |
| VCR02 | Real | 2002 volume to capacity ratio |
| SPEED02 | Real | 2002 congested speed miles/hour |
| DELAY02 | Real | 2002 link delays in hour |
| CAP35 | Integer | Estimated capacity using HCM 2000 methodology |
| SF35 | Real | Service flow volume/hour |
| VCR35 | Real | 2035 volume to capacity ratio |
| SPEED35 | Real | 2035 congested speed miles/hour |
| DELAY35 | Real | 2035 link delays in hour |