| Key | Value |
| bicycle | no |
| foot | no |
| hgv | designated |
| hgv:national_network | yes |
| highway | motorway |
| horse | no |
| lanes | 3 |
| maxspeed | 70 mph |
| oneway | yes |
| ref | I 77 |
| surface | asphalt |
| tiger:cfcc | A15 |
| tiger:county | Surry, NC |
| tiger:name_base | I-77 |
| tiger:ugotlid | 154195258:154195259:154196455:154197637:154202687:15421:154210198:154210214:154210215:154210221:154210233:154210350:154210368:154210369:154210374:154210762:154220537:154220542:154220562:154220566:154220569:154220577:154220590:154220593:154220640:154220645 |
| turn:lanes | through|through|slight_right |