The B155 is a short B-road in north London. The road was built as part of the new A108 in the mid-1920s. However, this section of the road did not become part of the A10 after World War II and so lost its Class I status in the 1970s, becoming the B155.
Passing Downhills Park
The road starts at traffic lights on the A504 West Green Road and heads north along the residential Belmont Road. After passing Downhills Park on the right there's a roundabout with an unclassified road. On the far side the grass verge on the left is very wide, suggesting that this road was planned to be dual but only the southbound carriageway was built. The road runs for a short distance along the alignment of Walpole Road, which was split when the road was built. It's not long before we do gain a central reservation, which runs the short distance to the A109 Lordship Lane where the B155 ends at traffic lights. The road ahead, the A1080, continues along the ex-A108.
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