Started by Haljackey, January 23, 2009, 10:33:13 AM
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Quote"A very simple design involving two carriageways, usually perpendicular to each other however other angles are perfectly possible, of different grade (grade being quantity of traffic usually handled). The major grade carriageway in a diamond is referred to as the surface road, as it is customary that the road with higher usage has the least deviation from the horizontal. The minor grade carriageway is reflected to in this case as the street. The street may go either over or under the surface road but it will clearly undergo a greater elevation change if both routes intersect on level ground.Diamonds are the simplest 4 ramp interchanges. They are often used in where there is a very large grade difference in the carriageways such as highways passing through inner boroughs of cities. However they scale up badly. At the ramp/street intersection, unless the street is very low grade, there must be lights. This slows down traffic, and if the street is high grade, cause congestion. Furthermore if the majority of traffic is using only one ramp of the interchange then efficient light timings are going to cause congestion on the street, especially if it is cross-carriageway turning (a left turn in the US or a right in the UK)."
Quote from: JoeST on January 25, 2009, 12:34:03 AMand you made me think, does the RHW now come with a default "maxis-fixing" slope mod? or does it still look real ugly whenever you use it without a rhw enabled one?
Quote from: mrtnrln on January 25, 2009, 02:53:00 AMNice tutorial, Hal! There's actualy one diamond space saving interchange you forgot, and that's the variant that you elevate the RHW instead of the ramps.
Quote from: LE0 on January 25, 2009, 09:19:42 AMHow about diagonal diamond interchanges? The A-wide ramp at the end there, will it be in future RHW releases for wider RHWs? Seems useful
Quote from: JoeST on January 25, 2009, 12:34:03 AMyes indeedy, that is awesome good tutorialand you made me think, does the RHW now come with a default "maxis-fixing" slope mod? or does it still look real ugly whenever you use it without a rhw enabled one?Joe
Quote from: Haljackey on January 25, 2009, 08:34:57 AMThanks everyone!I don't think so. There is a optional RHW slope mod out there I think, and like Maarten stated, you can use another network like rail or monorail to create a somewhat smoother slope.Elevated RHW diamonds are going to be the next guide .Best,-Haljackey
Quote from: JoeST on January 26, 2009, 10:31:46 AMHey Hal: I wont upload all your images right now, but if you maybe infuture upload some of them to the wiki instead of your bucket ? might be easier than duplicatingJoe
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