Regional Boards > Pacific Southwest
I-210/CA 210 on the Foothill Freeway
theroadwayone:
--- Quote from: ClassicHasClass on February 09, 2020, 02:22:42 PM ---
--- Quote ---CA 15 is a bigger mystery to me. Are there still non-interstate sections on that road?
--- End quote ---
Largely the CA 15-CA 94 interchange. The curves are substandard.
--- End quote ---
There have been plans to fix that, but so far, nothing has come of that, and I doubt anything ever will.
CtrlAltDel:
--- Quote from: ClassicHasClass on February 09, 2020, 02:22:42 PM ---
--- Quote ---CA 15 is a bigger mystery to me. Are there still non-interstate sections on that road?
--- End quote ---
Largely the CA 15-CA 94 interchange. The curves are substandard.
--- End quote ---
While I’m no expert, I find that hard to believe. CA-15, which is the vertical route in the picture below, seems reasonably straight to me.
sparker:
^^^^^^^^^
Since the LH exits are on the intersecting CA 94 rather than on the CA/I-15 alignment, that shouldn't be an excuse not to replace the spades with shields on 15. Notice there are no provisions for a SB15>EB94 movement, likely due to I-805 which essentially crosses both of these routes diagonally, the former just out of the picture to the north, the latter to the east. If there is indeed some technical reason why CA 15 is substandard, this picture doesn't appear to illustrate it.
Techknow:
My educated guess is it could be due to the interchange on the northbound CA 94 exit. The cloverleaf exit from NB15 to WB94 has a 20 MPH advisory speed limit according to StreetView. However I-280 has a very similar exit for CA 85 northbound which has a 25 MPH advisory limit so that can't be why.
The EB94 exit has an exit speed of only 35 MPH, but for the interchange to CA 85 southbound, the speed limit doesn't change at all from 65 MPH, likely because it has a smaller curvature.
mgk920:
As long as the deceleration lane on NB CA 15 for the ramp to WB CA 94 is sufficient, that should not be a problem with putting up the funky red, white and blue signs on CA 15. I've looked upon this non-signing as nothing more than a laziness/low priority thing at Caltrans.
Mike
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