| District 18 | ||||||||
| Where | Start/End | Direction | D | Lat N | Long W | Cxn | D | D |
| Clayton | 605 Fwy/60 Fwy | 60 E | 4 | |||||
| Hacienda Heights | Hacienda Road/Blvd | Hacienda S | 4 | |||||
| La Habra | Orange County Line | County Line E | 4 | |||||
| La Habra | Harbor Blvd | Harbor S | 9 | County Line E | 9 | 4 | ||
| La Habra | Imperial Highway | Imperial W | 9 | |||||
| La Mirada | LA County Line | County Line S/W/S | 9 | |||||
| La Mirada | Rosecrans Ave | Rosecrans W | 9 | |||||
| Norwalk | 605 Freeway | 605 N | 14 | Rosecrans W | 9 | 14 | ||
| Clayton | 605 Fwy/60 Fwy | |||||||
| Rio Hondo, Hacienda Heights, Whittier, South Whittier, Santa Fe Springs, Norwalk, | ||||||||
| La Mirada, La Habra | ||||||||