### Clue: Italian banger unfortunately going the wrong way joining the motorway (6)
### Answer: SALAMI 
 ### Explanation: Definition: Italian banger
  **Reversal of**(going the wrong way) ALAS(unfortunately) **plus**(joining) MI(=M1, first major motorway in England, running north-south)
Defn:  Italian sausage,banger, not to be confused with banger = old car.  Nice surface.