PlusBus zone boundaries are defined by the stoppoints at the edges of the zones. It should be possible to draw straight lines between each of the boundary points to define the polygon of the area they cover (all stops within such a polygon are members of that PlusBus zone). The exceptional treatment of NET (tram) in Nottingham is not reflected in the data supplied by PlusBus – which is why it doesn’t show up on your mapping of the data (and it doesn’t show on the zone diagram on the PlusBus web site either) – I suspect that this is because it would be misleading as it would imply that buses can be used in the area of served by the tram that is beyond the main area of the PlusBus bus zone.
The PlusBus zone data comes from PlusBus – so please don’t try to change it. If you think it is wrong, then let me know and I will ask PlusBus to review the information. Roger From: [email protected] [mailto:[email protected]] On Behalf Of Jerry Clough - OSM Sent: 05 August 2009 15:31 To: [email protected] Subject: [Talk-transit] NAPTAN Import: Plus-bus Zones I've had a quick look at a couple of the PlusBusZones (once inadvertently, as the name is rendering inappropriately on the Mapnik map): Nottingham and Maidenhead. In both cases boundaries are only approximate, and appear to be delimited by bus stops rather than routes (e.g., service 6 in Maidenhead travels along A308, and through the Pinkneys Green area, but AFAIK does not stop). The Nottingham one is of particular interest to me as the available literature shows an extremely fuzzy map with no indications of the precise limits of the zone. On the routes where I know the limit of the city-wide tickets (CityRider, Kangaroo) the edges of the zone are from 100-200 metres out. I wonder how we can improve this mapping in OSM. For instance I could ensure that the PlusBus zone polygon shared nodes with the bus stops at the Blue <http://www.openstreetmap.org/?lat=52.9075&lon=-1.23513&zoom=17&layers=B000FTF> Bell, Attenborough, and the Sherwin <http://www.openstreetmap.org/?lat=52.93592&lon=-1.25096&zoom=17&layers=B000FTF> Arms, Bramcote. There is one other issue: the Nottingham Tram (NET) extends to Hucknall, and I think the relevant tram stops are included in the PlusBus scheme, but buses are not. The Kangaroo includes the tram and also train services between Hucknall, Attenborough, Carlton and Nottingham. Jerry SK53 PS. First posting to list, so formatting might be an issue.
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