| Size | Name | Date Released | Label / Number |
|---|---|---|---|
| 7" | When Will I See You Again / Lay the Real Thing On Me | 7/77 | |
| 7" | Highway Song / Train, Train | 7/79 | Atco / 7104 |
| 7" | Highway Song / Road Fever | 9/79 | Atco / 7104 |
| 7" | Highway Song (short) / Highway Song (long) Promo | 9/79 | Atco / 7104 |