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Oftentimes runners are restricted to the right lane of all roads. Right turns at intersections for this type of course are straight-forward, as you just stay 1 foot from the inside edge of the road. But for left turns at intersections what path should be followed to get from the right lane of one road to the right lane of the other road?
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Just one person's opinion: We need to get runners from right side to right side without having to make a sharp turn that would slow them down.

One excellent way, when available, is to specify that they must run to the end of a yellow line on one street and then run to the right of the yellow line on the street they have turned onto.

Usually it is tough to actually put cones in a curve in these situations, because you would be blocking traffic in the other lanes. So the runners can run a curved path or a straight path, as they choose, to run to the outside of these "control points".

If one or both of the roads have median islands, I think you have runners run around the end of the islands. If you have to get runners out of and back into the right hand curb lanes, you need to choose a control point where runners can leave that curb lane, and also specify a point where they have to be into the curb lane of the 2nd street. In other words, design the restrictions so that it's possible to run somewhat of a rounded turn-- when possible. It's good to make these points super-easy to locate-- like "even with light pole/end of storm drain/etc". Sometimes I use "before the (2nd, or ?) hash mark between curb lane and next lane. With that one and all such control points, good idea to give a distance in feet relative to the end of the median strip.
All good points Bob.

I'm just thinking that we need to have a default, well defined, path to follow when there is no double yellow line or light pole that makes sense to use. I would propose that your "control points" be the edges of the streets. That is, if the runners are traveling north in the right lane they must stay in the right lane until they are even with the south edge of the cross street. Then they follow a straight line to the point on the south edge of the right lane of the cross street that is even with the west edge of the north-south street. Not sure if that's clear. Maybe a picture is needed.

A description of a standard way of doing this would be good because I see a lot of maps that don't have detailed descriptions of how these turns are done.
Your explanation is clear to me. But if you're talking about a road that doesn't have a centerline, restricting the runners to the right is a little dicey, I think. I used to tell RD's that if there's no centerline I would have to measure as if the whole street is available, but I notice that recently I've softened that-- but you get into a judgement call of just where the "centerline" of the road is. How do you measure that?

I do think we need to insist that turns like that must be accompanied with a note, or detail drawing, or something that the RD can put in place and get it right.

I think I am hearing you are say there is no need for a nail and washer and detail drawing for a left turn to or from a "paint restricted" section of road - just use the end of a stripe. I never had thought about it before but if you have already stipulated that "repaving or repainting" invalidates certification, why not use the end of a paint stripe? Either way, the course would be invalidated. If this is the case, it could save an hour doing an inset detail drawing on an already crowded map.

The procedures manual is pretty clear on this (pg 19-23). A nail, marking a cone location in the center of the intersection is the easiest method. I understand that a map sketch of the nail location is required. However, with the relaxed handling of maps, the sketch could be put on a 2nd sheet, along with the route description and mile split locations.
Thanks "Guido" for pointing out that this exact situation is already covered in the manual, including a drawing of what I suggested, control points or cones even with the curb line(and also other options). Obviously I should have checked the manual in detail before starting this topic.

But good to bring up topics like this, I suppose, to increase awareness. Thanks everyone.

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