A sober head (essential so if non compliant go back to bed!).
Beautiful weather conditions.
Conservative margin on the prevailing legal speed limits of the land at the time of writting.
Departure from starting point at 09:00, in the abscence of telepathy, so you will have to do some math's, good for confirming first check point above.
Eventless journey with the abscence of automotive emergencies.

..... Anything we have missed, that you think should be on the list, suggestions welcomed!

Directions wishing for...

Bon Voyage