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Linked reference is WTOP and the windshield bias is in full bloom in the comments section.

I spent a few minutes observing the intersection yesterday afternoon. Even in the middle of the day this is a busy recreational trail.

Almost all cars slowed and looked for trail crossers even when none were present.

I did not see any bikers strictly adhering to the stop sign however. All slowly approached the intersection checking for traffic. If none were present they continued without fully stopping.

If there was traffic they waited for the traffic to yield before proceeding.

The only untoward incident was when a jogger was already halfway across an approaching car slowed but failed to yield.

Traffic volumes here don't really dictate two lanes. One lane at this spot would work perfectly well, as long as they keep the light at Arlington green long enough to clear.

These are good ideas. I can't see any sensible reason for a cyclist or jogger to be required to come to a full stop when there is no traffic coming. The sight lines there are very good for trail users (contrast the Dorset intersection heading toward River, a quarter mile away) and it's virtually impossible to be surprised and encounter a car speeding down what appeared to be an empty road. Also as jeffb notes, the drivers there are, by and large, quite cautious and respectful.

The greatest danger, again, is the two lane problem, because the trail user can't see the second car and the second car can't see the trail user. Requiring trail users to actually, physically stop at the intersection doesn't help this problem at all - everyone's still invisible.

Whatever the law is or becomes, trail users *will* occasionally, carelessly, continue on past the first, stopped car without looking; and cars *will* occasionally, carelessly, continue through the intersection past a stopped car in the first lane - and eventually, again, someone will get hit. The solutions are either to slow all cars substantially at the intersection (increasing time to react, and to make collisions less likely to be fatal) or to narrow the crossing to a single lane.

Hooray. But where are our force fields? Isn't NASA working on that? WashCycle, whats the inside scoop on that?

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