### Clue: Regal route had mushroom colour (8)
### Answer: SCEPTRED 
 ### Explanation: Definition: Regal
  ST(street,*route*) around(*had*) CEP(*mushroom*, more commonly called by its other name, porcini, in menus) + RED(*colour*).
Defn:  Of sovereignty, the scepter being one of the symbols of royalty.