On Sat, Jun 11, 2011 at 10:30 AM, Tim Challis <[email protected]> wrote: > On 10/06/11 21:45, Franc Carter wrote: >> On Fri, Jun 10, 2011 at 9:18 PM, Tim Challis <[email protected]> wrote: >>> Mind you, for sheer municipal perversity, there is a section of Ballina >>> Road in Lismore that has had at least three numbering schemes applied to >>> the same houses. >> >> ;-) >> >>> This is probably in a different category to what you >>> intended? >> >> Yep, I was thinking about things like near where I grew up where there >> is a 40 foot cliff between one house number and the next. But other >> road insanity is just as interesting >> > Douglas Street in Clovelly does something like that near the Varna > Street intersection. I used to rent at the other end of the street. > Presumably result of a land-slip at some stage? Who says the Sydney > sandstone basin is stable?
Another 'good one' I have found is Como Parade (http://www.openstreetmap.org/?lat=-34.00314&lon=151.06853&zoom=16&layers=M), if you are at the Bindea Street end at the number you are after is at the Woronora Crescent end then you are going to be a little annoyed. > > I can't point to an example offhand, but I have heard several times from > discussions with professional surveyors of instances where the house > numbers down a street run out of step with property title boundaries... > the first number might cover block one and half of the neighbouring > block, so that as you progress down the street every subsequent house > number lies across the two adjoining blocks. This situation is > apparently far more common than is normally recognised! > That make sense given another story I heard - the database of house numbers and the database of land boundaries are completely separate - hmm > Outside the urban areas, it is becoming common for street numbers to be > based upon an approximate odometer reading (odd and even indicate which > side of road.) E.g. 892 XXX Road indicates the property whose nearest > point of intersection with XXX Road lies 8.92km from the end of the road. > > The system has several major weaknesses: my parents' farm is split both > sides of a particular road, and the local council has admitted when they > assigned the numbers 30 years ago they forgot to reset the odometer! > > My own property (a corner block) demonstrates another problem (no, I am > not assigned zero.) > > The third problem is that different councils have adopted different > conventions for the odd-even split. Mine has even numbers on the right > travelling away from the datum. The (different) council responsible for > my aforementioned parents' farm wants to make even numbers indicate the > left-hand side. > > In a final piece of GPS-related insanity, the RTA has been setting up > those illuminated sign boards around this district (I am aware of at > least seven) which are flashing various messages appropriate to the > location, but invariably the alternate blink reads "Ignore GPS"! > Unfortunately all are located in particularly dangerous locations to > wander out (or park nearby) to take a picture. > I wonder it will ever occur to them that helping people (us ;-) fix the GPS data is the best way of fixing the problem, given that the 'system' is so bent that I suspect the only way you can find some things is by knowing where they are in the first place ;-( cheers -- Franc _______________________________________________ Talk-au mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk-au
