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Old February 28th, 2013, 09:59 AM   #2061
Botev1912
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Does this mean there is no CA-1 in this area. I mean you can't see the ocean while driving.
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Old February 28th, 2013, 11:10 AM   #2062
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Interesting that they built two tunnels even though there's only one lane in each.
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Old February 28th, 2013, 05:33 PM   #2063
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SH 71, Austin, TX

A toll road will likely be build in the median of Texas State Highway 71 in Austin, connecting the airport with the SH 130 toll road. The current road is a 4-lane divided highway with at-grade intersections, the expansion project calls for 3 free frontage lanes each way, with a 4-lane toll road in the median. The project cost is about $ 140 million.

SH 71 is also one of two major routes from Austin to Houston, the other being US 290.

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Old February 28th, 2013, 05:37 PM   #2064
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Quote:
Originally Posted by suburbicide View Post
Interesting that they built two tunnels even though there's only one lane in each.
There is a California state law preventing the widening of CA-1 outside urban areas to more than 1+1
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Old February 28th, 2013, 07:58 PM   #2065
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What is the reason for the law?
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Old February 28th, 2013, 10:36 PM   #2066
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Probably to keep its charm.
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Old March 1st, 2013, 01:25 AM   #2067
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Quote:
Originally Posted by ChrisZwolle View Post
A toll road will likely be build in the median of Texas State Highway 71 in Austin, connecting the airport with the SH 130 toll road. The current road is a 4-lane divided highway with at-grade intersections, the expansion project calls for 3 free frontage lanes each way, with a 4-lane toll road in the median. The project cost is about $ 140 million.

SH 71 is also one of two major routes from Austin to Houston, the other being US 290.


A highway in a "freeway" configuration is much needed in this area and has been needed for a long time. Too make it a tollway in my opinion is a foolish idea. Make it a freeway and be done with it. I've noticed though that tollways get constructed much faster than freeways in this town so we'll see what happens.

If this is built as a tollway they might as well say "Welcome to Austin" that will be $3.00.

So all in all, this is kinda good news.
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Old March 1st, 2013, 04:50 AM   #2068
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Quote:
Originally Posted by FM 2258 View Post
A highway in a "freeway" configuration is much needed in this area and has been needed for a long time. Too make it a tollway in my opinion is a foolish idea. Make it a freeway and be done with it. I've noticed though that tollways get constructed much faster than freeways in this town so we'll see what happens.

If this is built as a tollway they might as well say "Welcome to Austin" that will be $3.00.

So all in all, this is kinda good news.
Yeah, I can imagine that making the primary route to the airport a toll road will give visitors a very bad impression of Austin.

Then again it is literally impossible to get to Orlando's airport without getting on a toll road so who knows?
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Old March 1st, 2013, 08:35 PM   #2069
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Quote:
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There is a California state law preventing the widening of CA-1 outside urban areas to more than 1+1
They could have made a single tunnel with 1+1 lanes (or is there some law againt that as well?). Obviously, two tunnels is safer.
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Old March 2nd, 2013, 03:59 AM   #2070
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Strange road of the day that I hadn't noticed much before: Shawan Road, in Baltimore County MD, which has one of the more dramatic width variables you'll ever find. Goes from a 2-lane road through the country to, briefly, this 11-lane monster just east of I-83.

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Old March 2nd, 2013, 06:13 AM   #2071
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RE the recent exchange on TX SH 71
The Texas Department of Transportation (TXDOT), the state's primary highway construction agency, has no money to undertake major new projects, and can only limp along doing such maintenance work as it can. Its primary funding source is the state tax on gasoline sales, which has not been raised for almost 20 years, since the greatest sacred cow of Texas politics is "no new taxes". This is why new highway projects are undertaken by public private partnerships working on DBO contracts. Of course, PPP's are not in themselves bad, but given TXDOT's financial problems on the one hand, and the prevailing ideology of the state's administrators on the other, it is the only practical means of building new highways. Texas looks like becoming the first state where government will become so small that it can be drowned in a bathtub - as is fervently desired by some extreme conservative commentators in this country. Meanwhile we live with contracting public services - education, health, highways, etc. - all of which have seen their funding cut in recent years.
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Old March 2nd, 2013, 06:29 AM   #2072
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Quote:
Originally Posted by Scba View Post
Strange road of the day that I hadn't noticed much before: Shawan Road, in Baltimore County MD, which has one of the more dramatic width variables you'll ever find. Goes from a 2-lane road through the country to, briefly, this 11-lane monster just east of I-83.

That road is pain in the ass sometimes when you exit out of I-83 northbound and cross several lanes before entering the left turn lanes at McCormick intersection.
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Old March 5th, 2013, 01:31 AM   #2073
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Quote:
Originally Posted by suburbicide View Post
They could have made a single tunnel with 1+1 lanes (or is there some law againt that as well?). Obviously, two tunnels is safer.
I believe safety is the main reason why two one-lane tunnels were built. If a single tunnel were built for CA-1, a 2-lane conventional highway, any kind of head-on accident in the tunnel would immediately shut down the tunnel causing a massive traffic nightmare. At least with two bores, if there's an accident in one bore, the other one could be utilized in a one-way traffic control situation.
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Old March 5th, 2013, 11:09 AM   #2074
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I don't think two tubes are necessary in a road with such traffic volumes. In the unlikely situation of a head-on crash, traffic disturbance would not be too big.
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Old March 5th, 2013, 05:25 PM   #2075
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Quote:
Originally Posted by verreme View Post
I don't think two tubes are necessary in a road with such traffic volumes. In the unlikely situation of a head-on crash, traffic disturbance would not be too big.
Actually traffic disturbance would be pretty big even with the low traffic volumes because there are few alternative routes available.
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Old March 5th, 2013, 08:48 PM   #2076
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Quote:
Originally Posted by verreme View Post
I don't think two tubes are necessary in a road with such traffic volumes. In the unlikely situation of a head-on crash, traffic disturbance would not be too big.
But by having two bores, you'll just about eliminate head-on crashes altogether (notice I said "just about" because there's always a chance of a wrong-way driver).
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Old March 5th, 2013, 11:00 PM   #2077
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Quote:
Originally Posted by LtBk View Post
That road is pain in the ass sometimes when you exit out of I-83 northbound and cross several lanes before entering the left turn lanes at McCormick intersection.
Looks like its designed for throughput of traffic - the actual mainline is three lanes wide but the others are elaborate filter turn lanes.

This happens a lot in the UK where a highway can suddenly widen to provide space for maximum throughput on green phases.

Hows this for throughput...or potential throughput?

http://goo.gl/maps/qVcV6
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Old March 6th, 2013, 03:02 PM   #2078
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Harlem River Drive South

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FDR Southbound

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Old March 6th, 2013, 03:06 PM   #2079
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NY9A/Henry Hudson Parkway Southbound

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Old March 7th, 2013, 08:55 PM   #2080
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Chinook Pass in Washington.

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