On Mon, Jun 12, 2017 at 11:30 PM, Philip Barnes <[email protected]> wrote:
> I would map those as separate tunnels and only map them as a single tunnel > is multiple ways share the same bore. > I think this goes to the question of whether we want man_made=tunnel to map a physical tunnel (that may contain a dual carriageway) or a tunnel system (that is given just a single name). To give a bridge analogy, how do you map the Hungerford Bridge and Golden Jubilee Bridges system in London? The Hungerford Bridge is a railway bridge flanked on two sides by the Golden Jubilee Bridges, which are a pair of footway bridges. The three bridge carriageways are separate (you cannot step from one bridge to the other). However, all three share the same foundation piers, so in a sense, the whole structure is a single "mega-bridge".
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