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Seven Dials is a small but well-known road junction in the West End of London where seven streets converge. At the centre of the circular space is a pillar bearing six sundials, a result of the pillar being commissioned before a late stage alteration of the plans from an original six roads.
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The B404 is a short B-road (0.4 mile) in central London.
It starts on the A401 Shaftesbury Avenue to the south of High Holborn. It heads south along Monmouth Street; half way along it reaches the Seven Dials junction where the famous sundial column acts as a roundabout.
The road crosses the B402 at a junction where six roads meet (although this time there are traffic lights) before continuing along St Martin's Lane past a number of theatres. The spire of St Martin-in-the-Fields is visible in the distance; the B404 used to end by the church on Trafalgar Square but the southernmost block is now pedestrianised and so the road ends one block north on William IV Street.