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U, Algar Close, Harrow (Grid ref TQ159921) A410 between A409 and A4140, Harrow (Grid ref TQ160919) C, Gordon Avenue, Harrow (Grid ref TQ161916) A409 between A410 and A4140, Harrow (Grid ref TQ149920) A410 between A4008 and A409, Harrow (Grid ref TQ150915) A410 between A4140 and A4140, Harrow (Grid ref TQ171923) A4140 between A410 and Harrow boundary, Harrow (Grid ref TQ160934) U, Ventnor Avenue, Harrow (Grid ref TQ168904) U, Kenmore Avenue, Harrow (Grid ref TQ164903) U, Byron Road, Harrow (Grid ref TQ156901) A409 between A4140 and Harrow boundary, Harrow (Grid ref TQ154940) A4140 between A409 and A411, Hertfordshire (Grid ref TQ150940) U, Long Elmes, Harrow (Grid ref TQ142907) A409 between A4005 and A410, Harrow (Grid ref TQ153900) A410 between A4140 and A5, Harrow (Grid ref TQ180927) U, Pinewood Avenue, Harrow (Grid ref TQ136916) A4008 between A410 and Harrow boundary, Harrow (Grid ref TQ136920) A5 between Barnet boundary and A410, Barnet (Grid ref TQ180932) U, Augustine Road, Harrow (Grid ref TQ141905) A409 between Hertfordshire boundary and A411, Hertfordshire (Grid ref TQ156945)