Small2_i35

Full image link: http://pickaxebobby.tumblr.com/post/52325765134/ive-told-some-of-you-about-my-simple-idea-to-fix

I’ve told many friends about my simple idea to fix the biggest problem with I-35 downtown before - building a small overpass, flip-flopping the upper and lower decks from right to left at the point they meet around 15th St and putting a barrier in between them until past the river. It would create a 2-lane total bypass of downtown with minimal construction: essentially a small overpass and a mile of concrete dividers or plastic poles. My girlfriend was awesome enough to diagram it out. Can anyone tell me why this wouldn’t work/help?

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John Warren about 5 years ago

This is a great and almost certainly cost-effective idea aimed at fixing a terrible, terrible problem we've had for years in Austin. It's only going to get worse unless something changes.

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Carmen Gaddis about 5 years ago

This plan would be a significant improvement over the current system, which rewards drivers who move in and out of lanes regardless of destination.

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Shelley Smith about 5 years ago

This seems like the only suggestion that might be reasonable in both construction time and cost. It would certainly help to have lanes that actually bypass downtown, as the split originally intended.

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Bobby Nall about 5 years ago

To clarify some points: The same process would be done for the northbound lanes - the image/description was just an example using the southbound lanes.

Thinking of the SB lanes: the upper deck (currently above and to the right of the lower deck) would have a small overpass that turns those lanes into the existing left two lanes once you get to 12th. The current lower deck would go under that and swing to the right, becoming the two right-side lanes with exits to downtown. There would be a divider keeping traffic from exiting on those bypass lanes until after the river.

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Russ x about 5 years ago

I love this idea.

This may go without saying, but you will need to have an increase in signage and make sure it is very clear, as well. Something that indicates that the upper deck is a bypass taking you all the way down to Riverside, and the lower deck is for various downtown exists. Plenty of time for traffic to get into the correct lanes before the split is important too.

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Paul Kieferjr about 5 years ago

I heard about something similar to this: Lower deck for the northbound, upper deck for southbound, stacked ala San Francisco's old "Embarcadero Freeway" (one on top of the other). This idea was devised about two decades ago. It was shelved amid cries that Interstate 35 was a "scar" on the city and that it created both a social-economic and racial barrier. Could this be revived and shown that a such a barrier would no longer exist? The alternative would be to blast limestone and haul it out at an extremely high cost and for an extended period of time.

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Sophie Brewer about 1 month ago

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