OS (GB) Open Roads

Find a route over the road network in an OS (GB) Open Roads Dataset, using average speeds for each road classification.

Select Analysis > Routing > Point-to-point.

Select OS (GB) Open Roads

The following CASE expression is used for OS (GB) Open Roads

(_length# /

CASE
 WHEN _FC&=110 THEN 60
 WHEN _FC&=120 THEN 50
 WHEN _FC&=130 THEN 25
 WHEN _FC& IN (140,150,160,170) THEN 20
ELSE 0
END)
* (60 / 1609.344)

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