Re: [Tagging] Tagging average speed [Was: Re: Residential roads]

2010-11-08 Thread Colin Smale
From the better late than never department: I just discovered a description of how Inrix work with speeds to assist with predicted journey times. Inrix are a leading supplier of this kind of information to organisations such as ITIS (in the UK) and TomTom, so I think they have probably

Re: [Tagging] Tagging average speed [Was: Re: Residential roads]

2010-10-04 Thread Elena ``of Valhalla''
On 2010-10-04 at 10:57:19 +0100, Woll Newall wrote: I wouldn't use 'average speed' for the tag, because it implies something else, but that's what the OP chose for this thread. 'traffic speed' or something like that would be better. I'm not a native speaker, so any improvement on the tag

Re: [Tagging] Tagging average speed [Was: Re: Residential roads]

2010-10-04 Thread M∡rtin Koppenhoefer
2010/10/4 Woll Newall w...@2-islands.com: 'time to destination' totally incorrect, the route chosen is often wrong as well, because choosing a slightly different route would make journey times much quicker. but only if not all of the drivers are using OSM i.E. the same shortcuts... cheers,

Re: [Tagging] Tagging average speed [Was: Re: Residential roads]

2010-10-04 Thread woll
M∡rtin Koppenhoefer wrote: 2010/10/4 Woll Newall w...@2-islands.com: 'time to destination' totally incorrect, the route chosen is often wrong as well, because choosing a slightly different route would make journey times much quicker. but only if not all of the drivers are using OSM

Re: [Tagging] Tagging average speed [Was: Re: Residential roads]

2010-10-04 Thread Stephen Hope
On 5 October 2010 07:55, Colin Smale colin.sm...@xs4all.nl wrote: Let's start by splitting out static characteristics from dynamic influences such traffic and weather. Once the static stuff (lanes, inclines, curviness and whatever) is in there, something like TMC information can be used to add

Re: [Tagging] Tagging average speed [Was: Re: Residential roads]

2010-10-03 Thread Woll Newall
We definitely need an average speed tag, to improve routing. In my area the road speeds vary a lot depending on the amount of traffic, which means that the fastest routes selected by routing algorithms are often not good because the journey goes along roads where the traffic is nearly

Re: [Tagging] Tagging average speed [Was: Re: Residential roads]

2010-10-03 Thread Anthony
On Sun, Oct 3, 2010 at 8:04 AM, Woll Newall w...@2-islands.com wrote: We definitely need an average speed tag, to improve routing. I very much disagree that this should be a tag. If it's going to be included, it should be in a separate table or set of tables. Hacking up a system to put average

Re: [Tagging] Tagging average speed [Was: Re: Residential roads]

2010-10-03 Thread Pierre-Alain Dorange
Ralf Kleineisel r...@kleineisel.de wrote: Maybe it's just because of where I live, but I don't see how it would be. Well, where I live (Germany) we have a legal limit of 100 kph on roads outside of cities, motorways excluded. This legally applies even to small roads if there is no sign

Re: [Tagging] Tagging average speed [Was: Re: Residential roads]

2010-10-03 Thread M∡rtin Koppenhoefer
2010/10/3 Ralf Kleineisel r...@kleineisel.de: would be much, much better than nothing. Right now when I make a routable map for a Garmin GPS I can set the road_class and road_speed only by looking at the Highway=* tag. This can lead to strange speed estimates. I think a simple typical speed