Possible Clues:

• Without a will of one's own
• Lacking a will of one's own...
• Unwilling?
• Without the will, run off road between California and Nevada?
• Indicative of a lack of will
• Lacking will to use US highway, cutting out middle of journey
• Run out of road across the pond, not having planned to leave
• Lacking will, hitch-hiker finally abandons US highway
• Condition where nothing is left in writing
• Lacking will, belonging to trial rowing team, one hears