In reply to PM:
Interestingly the MK "Redway Code" is not the same as the Highway Code for shared paths, and is more Dutch in how it intends to work (just like the Redways themselves).
That said, "be prepared to slow down and stop" could be taken to mean "don't ride into people", it doesn't mean that pedestrians should be able to wilfully or inconsiderately block the path.
http://www.marstonvalecommunityrail.org.uk/mkredway.pdf
Rules for all Redway users
The Redways are for use by pedestrians and cyclists of all ages and levels of experience,
including people with prams, pushchairs and those in wheelchairs.
All motor vehicles – including mopeds and motorcycles are prohibited by law from using
Redways with the exception of authorised vehicles, e.g. emergency and maintenance
vehicles. Drivers of such vehicles must drive with due care and use flashing beacons when
available and give way to other Redway users.
When a Redway crosses a road, the road user has priority over the Redway users. The
Redway user must give way to road user.
Users of Redways must be able to be seen at night. Cyclists should use lights and all users
should carry or wear something light-coloured or reflective clothing.
Dogs and horses should not foul the Redway. Dogs should be kept on a short lead to
prevent tangling.
Rules for Cyclists
Cyclists should take due care when approaching pedestrians, persons with prams,
pushchairs and wheelchair users. Cyclists should give an audible warning of their approach.
Cyclists should keep to the left as if cycling on a road.
Cyclists should ride not more than two abreast and remember to slow down at bends, give
way at junctions and ride their cycles so as not to endanger themselves or other redway
users.
Rules for Pedestrians
Pedestrians should keep to the right as you would if walking on a road.
Pedestrians should not walk more than two abreast.
Rules for Horse Riders
Horses should not be used on Redways which are not part of the bridleway network.
Remember it is more pleasant to use the Redways and estate roads for some of
your journeys.
These Redways belong to all users and are to be shared. Please be considerate of
others.
Any problems on the Redways should be reported to the Cycling Officer on Milton
Keynes 691691.
Neil
Post edited at 20:32