[SDCBC] SR56-Sorrento Valley Road connector

[Serge Issakov]

I would use it either way, dry or wet.   So as a taxpayer, if under is
significantly cheaper, I'd prefer that.  But if the cost is about the same,
or the over is significantly cheaper, i would go with over.

Serge

On 8/29/07, Kathy Keehan <execdir at sdcbc.org> wrote:
>
>  Your input needed!
>
> We've been asked to provide comments for a feasibility study for the
> connection between the west end of the 56 bike path and Sorrento Valley
> Road. As many of you know, there's a giant freeway in the way there, and the
> City and Caltrans are looking for ways to get bicyclists across.
>
> There are a couple of options, basically one over the freeway and one
> under it. Which do you like better?
>
> The bridge would be your typical 12 foot wide bike/ped bridge over the
> freeway. It would be about 17 feet above the traffic at a minimum, and would
> have 6.5% and 7.7% grades for the approaches (200 to 400 feet long
> depending on the design), and 90 degree turns at each end of the bridge.
>
> The undercrossing would go under I-5, with a minimum vertical clearance of
> 8 foot 3 inches. There will be concerns about water (particularly in wet
> years), lighting, and security. The grades down to the undercrossing would
> be about 7.5% for a couple hundred feet, then up at about 3% for about 80
> feet. It will have a fairly sharp turn on the west side of the freeway to
> connect to existing Sorrento Valley Road.
>
> Bridge – less potential maintenance, open even in wet weather, uphill both
> ways, over noisy auto traffic/fumes
>
> Undercrossing – downhill both ways, quieter, more potential maintenance,
> potential to be closed in wet weather
>
> Which do you prefer?
>
> Kathy
>
>
>
> ------------------------------------------
>
> Kathy Keehan
>
> Executive Director
>
> San Diego County Bicycle Coalition
>
> P.O. Box 34544
>
> San Diego, CA 92163
>
> 858.487.6063
>
> execdir at sdcbc.org
>
> www.sdcbc.org
>
>
>
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