Quote:
Originally Posted by GGG
A systems Interchange will cost into the hundreds of millions to do all of the fly over ramps. There is an excellent link on the city website explaining why they don't put in clover leafs anymore. The jist is that cloverleafs take up too much space and as they get buisier become less and less effective. And in high traffic volumes a split diamond intersection is just as effective at passing cars through the intersection especially on roads where one road is significantly larger volumes then the other.
http://www.calgary.ca/portal/server....nges.htm?Prn=1 |
They've been using diamonds in LA since the 50s. They never really went the cloverleaf route, for precisely the reasons you specify.
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