Section 167.403 - Off San Francisco: Southern approach(a) A separation zone is bounded by a line connecting the following geographical positions: | Latitude | Longitude |
| 37°39.10' N | 122°40.40' W. |
| 37°27.00' N | 122°40.40' W. |
| 37°27.00' N | 122°43.00' W. |
| 37°39.10' N | 122°43.00' W. |
(b) A traffic lane for northbound traffic is established between the separation zone and a line connecting the following geographical positions: | Latitude | Longitude |
| 37°39.30' N | 122°39.20' W. |
| 37°27.00' N | 122°39.20' W. |
(c) A traffic lane for southbound traffic is established between the separation zone and a line connecting the following geographical positions: | Latitude | Longitude |
| 37°27.00' N | 122°44.30' W. |
| 37°39.40' N | 122°44.30' W. |