From: robin_listas@es.invalid   
      
   On 2025-12-04 23:26, Don Y wrote:   
   > On 12/4/2025 3:10 PM, Carlos E.R. wrote:   
   >> On 2025-12-04 12:47, Don Y wrote:   
   >>> On 12/4/2025 3:58 AM, Carlos E.R. wrote:   
   >>>> On 2025-12-03 23:03, Don Y wrote:   
   ...   
      
   >> Yes, I understood that, but where does the expressions come from, how   
   >> did they originate?   
   >   
   > "Splitting" because the driver is splitting a pair of lanes (by riding   
   > "on the dividing line")   
      
   Ok, this one makes sense.   
      
   I think I may have spoken once of "virtual lanes".   
      
   > "Filtering"?  Maybe the driver's motion through the *stationary* vehicles   
   > is seen as passing through a filter (composed of stationary vehicles)?   
      
   Mmm :-?   
      
   >   
   >> AFAIK, both are prohibited here. Maybe Lane filtering is permitted (it   
   >> certainly happens), but there is still a risk of a car opening a door.   
   >> There is another variant that was permitted recently, which is a bike   
   >> slowly driving on the shoulder during a traffic jam, but still   
   >> yielding to emergency vehicles using the shoulder.   
   >   
   > Here, a more significant hazard comes from multiple turn lanes.   
   > E.g., if there are two lanes that *can* turn right at an   
   > intersection, a motorcyclist splitting (filtering) between   
   > them is at risk at the leftmost of those two lanes MAY turn right   
   > INTO his travel.   
   >   
   > Likewise for left-turns.   
   >   
   > [And, of course, the morons who make turns from improper lanes]   
   >   
   > We also have stop that isn't a real stop -- when the (car) drivers   
   > have discretion as to whether or not to proceed (based on "observed   
   > conditions").  This is intended to expedite turns through intersections   
   > where oncoming traffic may have significant gaps that a driver could   
   > exploit.   
      
   Here that has different signage, "yield" instead of "stop".   
      
      
      
      
   > A solid "red" (stop) would prohibit the driver from exploiting those   
   > gaps.  The "discretionary" stop leaves a motorcyclist at the mercy   
   > of a driver that he is about to slip past *suddenly* turning into his   
   > path from a (discretionary) stop.   
   >   
   > I just don't see the merit of allowing either behavior (split/filter)   
   > as there doesn't seem to be any evidence that lots of motorcyclists   
   > are "hit from behind WHILE STOPPED" at such places.   
   >   
   > And, it's hard to imagine letting the few motorcyclists weave through   
   > such stopped traffic makes an appreciable difference in traffic flow.   
      
   For bikes, it makes a difference. For car drivers, it is unnerving.   
      
      
   --   
   Cheers, Carlos.   
   ES🇪🇸, EU🇪🇺;   
      
   --- SoupGate-Win32 v1.05   
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