Related Clues:
- Boring part in exam that's revolutionary
- Circular, like the M25
- Road avoiding crowded centres
- Going round - the M25?
- Road built to avoid a congested area
- Descriptive of the M25
- Road built to avoid another
- Go round (congested area etc)
- Circuitous route (for traffic, fluids etc)
- Following a path around a heavenly body
- Way to avoid town etc
- Describing the M25 motorway?
- Secondary channel — kind of operation
- Going round in circles, Tony Blair ignores the base of UN resolution
- Cardiac surgery technique