Quote:
Originally Posted by Central
There seems to be a disproportionate number of people who think because the exchane is 10 minutes walk away the line must simply be the same length to
Just because the exchange was a 10 minute walk does not mean the line had the same route. My exchange is 261 metres away but my line length is actually 751 metres.
16mb is still possible at 2500 metres line length.

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bear in mind that would be in perfect conditions.
you did point out the reality tho, walking distance will be typically less than line distance, hence the very small radius around each exchange.
To see what I mean load up something like google maps and pinpoint an exchange and look at the surrounding area its likely to cover. then do a 1.5km radius (assuming this will equate to around 2km line length) and it will be very small compared to the total coverage of the exchange. 1.5 I feel I am been extremely generous and a better test is a 1km radius.
Although to be fair it does seem some areas have a higher density of exchanges than others, eg. here there is 2 exchanges covering a 8km radius. In other areas there is over 4 covering the same area. Most towns seem to have one exchange each and villages tend to share exchanges.