Question:  Freeway access to Valley Fair Mall in San Jose is so bad I never shop there.  Why can’t someone build new ramps from northbound I-280 to Winchester Boulevard? 

Answer:  The brief answer is that the on-ramps to northbound I-280 from I-880 would be too close to these new off-ramps and create a dangerous weave pattern in the traffic.  Note that in the diagram below the traffic streams from A to D and from B to C have to cross within the distance labeled as the Weaving Area.  As lon...


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