Search london history from Roman times to modern day
A bit out of date, but this interactive map of step free London is very good
All the London railway stations :
Camden Road is on the London Overground, Accessibility category A. This station has lift access to both platforms.
Ramps are available.
See pictures and further accessible transport in London detail from
links below.
Overground lines : London Overground (North London line)
Accessibility friendly : stepfree
General description : See wiki
More comment : National Rail Map & Guide .