Where I live, we have an extensive network of non-segregated shared Foot / Cycle paths, known locally as "Redways" (and they are surfaced in red asphalt). They have thin metal bollards at all junctions with roads. I think their purposes are:
1. to warn cyclists to give way before crossing the road.2. to prevent wider vehicles from accessing the redway. Most wheelchairs and mobility scooters for the disabled are narrow enough to pass through the gap See https://www.dropbox.com/s/5tqz14niu7kpfsj/Redway%20Bollards.png?dl=0 In some places they are "fixed", but in many places, there will be 2 and one will be "fixed", while the other will be held in place by a padlock. If you remove the padlock, the bollard can be lifted by hand to (only just) allow vehicle access. I believe that the fire service and local council maintenance teams have the keys. Regards,Peter On Mon, 17 Feb 2020 at 09:47, Martin Koppenhoefer <dieterdre...@gmail.com> wrote: > Am So., 16. Feb. 2020 um 21:54 Uhr schrieb ET Commands < > etcomma...@gmail.com>: > >> >> My spelling check does not like "unremovable" but instead suggests >> "irremovable." However, if I want to be nit-picky, all bollards are >> ultimately removable, so maybe more appropriate values would be >> "retractable" and "non-retractable." > > > > > if you look at the details, the situation may be quite different: > > - some may be (at least physically) folded (or pulled out) by anybody, no > key or code required > e.g. > https://images.zufor.de/images/product_images/400x/umlegbar-selbstaufrichtend-zzobsozo.jpg > > - others may require a specific key (private), or a generic key (e.g. > available to the fire department) > > - another variant are bollards that retract into the ground (hydraulically > or pneumatically, maybe this distinction doesn't matter for us) > e.g. > https://5.imimg.com/data5/FD/EP/MY-1744683/hydraulic-bollard-500x500.jpg > > - yet another variant are fixed bollards, which may either be strong (e.g. > not breakable with a standard car, at least not without breaking the car as > well) e.g. https://de.wikipedia.org/wiki/Datei:Poller_auf_Buergersteig.jpg > > - or could be flexible or light or not restraint (i.e. more symbolic than > physical) e.g. > https://sc02.alicdn.com/kf/HTB1u.VtKXXXXXXEXVXXq6xXFXXX4/Traffic-Safety-Black-Delineator-Concrete-Bollards.jpg > or > https://sc02.alicdn.com/kf/Hbd2b0a9d420440ca94f0580be9e648b53/Queue-Management-System-Bank-Retracta-Belt-Barrier.jpg > > > Cheers > Martin >
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