Possible Clues:

• Great way old boy fits into a new haunt!
• Road suggesting a classy 100mph? How horrible getting stuck in that!
• Famously fast expressway
• It takes continental drivers about an hour, unexpectedly
• Famously fast route
• Main route?
• Travelling about hour in an overseas route
• The English way? Ah, no - but a foreign sort
• High-speed roadway
• Gold weight compassing humbug's precursor on major road