Possible Clues:

• Nostrum
• A cure, for disease or other ill
• Engineers on outside verges of dual-carriageway finding way to put things right
• Cure taken to counteract ill-feeling
• Cure; put right
• Cure found in extreme dysfunction
• Countermeasure
• This writer is enthralled by revolutionary year? Correct
• Doctor's cure
• Military engineers introducing extremely dodgy cure