Possible Clues:

• Sad iron (anag.)
• Progress made at home with routes
• Where the Department of Transport might invest, causing intrusions
• Entrances made by trespassers?
• And/or regrouped, is about to make hostile attacks on
• Ways to support one bearing incursions
• Appreciable amounts made into entrances?
• Intrusive moves made by voguish explorer, say
• Advances
• Small box advertisements — they are intrusive