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A41 between A1 and A410, Barnet (Grid ref TQ194928) U, Ashcombe Gardens, Barnet (Grid ref TQ191926) A5100 between A5 and A5109, Barnet (Grid ref TQ200924) A410 between A5 and A41, Barnet (Grid ref TQ185930) A5 between A410 and A5100, Barnet (Grid ref TQ190919) A41 between A410 and M1 spur, Barnet (Grid ref TQ184933) A5109 between A5100 and A1/A41, Barnet (Grid ref TQ207926) A410 between A4140 and A5, Harrow (Grid ref TQ180927) A5 between A5100 and A5109, Harrow (Grid ref TQ194914) A5 between Barnet boundary and A410, Barnet (Grid ref TQ180932) A1 between A41/A5109 Selvage Lane and A5109 Marsh Lane, Barnet (Grid ref TQ209929) A5109 between A5 and A5100, Barnet (Grid ref TQ200914) U, Downhurst Avenue, Barnet (Grid ref TQ207921) B461, Whitchurch Lane, Harrow (Grid ref TQ187913) A1 between A5109 Marsh Lane and Courtland Avenue, Barnet (Grid ref TQ209931) A1 between A5100 and A41/A5109, Barnet (Grid ref TQ210928) M1 between J2 and J4, Barnet (Grid ref TQ201943) A5 between A5109 and Harrow boundary, Harrow (Grid ref TQ196910) U, Tretawn Park, Barnet (Grid ref TQ212928) A5100 between A5109 and A1, Barnet (Grid ref TQ212920)