The A2216 starts on the A215 by Denmark Hill station. It runs parallel to the railway line for one block before heading south along Grove Lane. After a roundabout by Goose Green it is the dominant number in a brief multiplex with the A2214 before it continues on along Lordship Lane to meet the A205 at a set of traffic lights, where the A205 has to TOTSO.
There now follows a multiplex with the A205. However, the A2216 was the original number of this route as the A205 was largely cobbled together out of pre-existing roads. We follow it for nearly three-quarters of a mile (changing London Borough en route) to another set of traffic lights in Forest Hill, where the A205 TOTSOs in one direction and the A2216 reappears going in the other.
We head south once more, now roughly parallel to the East London Line. At the end of Dartmouth road we have to TOTSO at a mini-roundabout; the resulting road is then followed until the end of the A2216 on a full roundabout in Sydenham, where we meet the A212.
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