| Field Name | Data Type (Length) | Index | Description |
|---|---|---|---|
| BEARING | FLOAT | No | Rotational angle (+ or -) from north |
| MICODE | INTEGER | No | MapInfo feature code of referenced street |
| LONGITUDE | FLOAT | No | Feature centroid longitude |
| LATITUDE | FLOAT | No | Feature centroid latitude |
| A2_CODE | CHAR (5) | No | Combination of state and county FIPS codes |
The Oneways layer (oneways.tab) indicates one-way streets and routes, using arrows as shown in the example below.