[SDCBC] SR56-Sorrento Valley Road connector

[Philip Erdelsky]

At equal prices, I would prefer the bridge. However, I suspect that
the bridge will be too expensive to even contemplate.

The undercrossing will flood from time to time. There should be a
signed alternate route along Carmel Valley Road.

Kathy Keehan 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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