As every track segment has a maximum speed, why not just apply the existing maxspeed=* tag to the tracks? It is not clear to me whether your intention with traffic=fast refers to some attribute of the track itself, or the use to which it is put. Is it some "official" designation (from Network Rail)? I recall also seeing things like service=main_line (from memory) to distinguish main line from local tracks.

Colin

On 09/08/2012 11:33, Richard Mann wrote:
There's two things that distinguish HSLs/LGVs/NBSs: high maxspeed (typically 250-320, though some would include the new lines in Switzerland, which are "only" 200), and a lack of slow traffic (freight, stopping passenger services) because they have alternative routes. In some cases, you can get pretty high speeds without providing a second pair of lines, if traffic is sparse (upto 200kmh in the UK, upto 230kmh in Germany), so I think the presence/absence of a parallel slow route is something that can usefully tagged explicitly.
Richard

On Thu, Aug 9, 2012 at 12:21 AM, St Niklaas <st.nikl...@live.nl <mailto:st.nikl...@live.nl>> wrote:

    Hi taggers,

    Colins question are there more countries with different speed
    rules on tracks ? Yes all the TGV like tracks in Europe through,
    France, Germany and Netherlands are specially build for TGVs but
    somewhere there still tracks combined, limited speed up to 100
    miles / hr.

    Hendrik

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