Mr Lockhart, from Abernethy, Perth and Kinross, failed to appear at court and a warrant was issued for his arrest.

BBC: Police seek Abernethy biker over speeding charge no show

Lord Abernethy , born John Alastair Cameron, became a Judge in 1992.

BBC: The men in robes

For a more relaxed ride, head to Springwater Corridor in the Hosford-Abernethy neighbourhood (enter the trail at Southeast 4th Avenue and Southeast Ivon Street).

BBC: Portland's urban adventures

Mr Lockhart, from Abernethy, Perthshire, denies that on 26 May he drove his Suzuki Hayabusa motorbike dangerously on the A92 Arbroath to Dundee road.

BBC: Abernethy biker caught at 122mph denies dangerous driving

Lord Abernethy is an active member of the International Bar Association.

BBC: The men in robes

Lord Abernethy said Mr Smith's case was "of far-reaching importance".

BBC: NEWS | UK | Scotland | Court rules on prison voting ban

Lord Abernethy acquitted 23-year-old student Edward Watt during his trial at the High Court in Aberdeen in March after upholding a claim in Mr Watt's defence that he had no case to answer.

BBC: Scots rape laws scrutinised

He insisted he was not asking the court to rule whether or not Lord Abernethy had made a mistake in interpreting the law, but to consider the wider issues raised by the case.

BBC: Scots rape laws scrutinised