| Country: | KOR |
| Type: | EX |
| Route: | 102 |
| Alternate Name: | Namhae Expressway 1st Branch |
| Length Km: | 17.88 |
| Direction A: | West |
| Terminus A: | Sanin JC in Haman, Gyeongsangnam-do Namhae Expressway |
| Junction: | 4 |
| Direction B: | East |
| Terminus B: | Changwon JC in Changwon, Gyeongsangnam-do Namhae Expressway |
| Hangul: | 남해고속도로제1지선 |
| Hanja: | 南海高速道路第一支線 |
| Rr: | Namhae Gosok Doro Jeil Jiseon |
| Mr: | Namhae Kosok Toro Cheil Chisŏn |
The Namhae Expressway Branch 1, or the Namhae Expressway 1st Branch is an expressway in South Korea, connecting Haman to Changwon. It is Branch Line of Namhae Expressway.
| No. | Name | Korean Name | Hanja Name | Connections | Notes | Location | |
|---|---|---|---|---|---|---|---|
| 1 | 산인분기점 | 山仁分岐點 | Namhae Expressway (Expressway route 10) | Expressway Begin | Haman, Gyeongsangnam-do | ||
| TG | Sanin TG | 산인요금소 | 山仁料金所 | ||||
| 2 | 내서분기점 | 內西分岐點 | Changwon, Gyeongsangnam-do | ||||
| 3 | 서마산나들목 | 西馬山나들목 | |||||
| 4 | 동마산나들목 | 東馬山나들목 | |||||
| TG | Masan TG | 마산요금소 | 馬山料金所 | ||||
| 5 | 창원분기점 | 昌原分岐點 | Namhae Expressway (Expressway route 10) | ||||
| Changwon End | 창원 종점 | 昌原 終點 | Namhae Expressway (Expressway route 10) | Expressway End |