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Old February 3rd, 2012, 01:59 AM   #7781
diablo234
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Quote:
Originally Posted by Xusein View Post
I've never seen those here (Hartford, CT). They definitely don't look long term.
You mean bott dots?

Those pavement markings are actually pretty common in warmer climates. California, Texas, Florida, and Louisiana actually use them pretty extensively.
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Old February 3rd, 2012, 02:05 AM   #7782
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Here is the newly completed Briley Pkwy - 1-40 interchange in Nashville. It took nearly 10 years to complete.

image hosted on flickr

I-40 West - Exit 204B&A - TN 155 Briley Parkway by Adam's Journey, on Flickr

I-40 Towards Downtown Nashville

image hosted on flickr

Merge with I-40 by riffsyphon1024, on Flickr
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Old February 3rd, 2012, 04:17 AM   #7783
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Quote:
Originally Posted by diablo234 View Post
You mean bott dots?

Those pavement markings are actually pretty common in warmer climates. California, Texas, Florida, and Louisiana actually use them pretty extensively.
What makes them suitable for warmer climates? Or is that just a coincidence?

Somehow I think it's just better off being painted, if those pics of Seattle are an indication.
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Old February 3rd, 2012, 05:03 AM   #7784
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In cold climates snow plows take them off. Here in Florida they paint lanes and then add reflectors that are white in the direction you are headed and red in the opposite direction for those brilliant people who would go the wrong way.
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Old February 3rd, 2012, 05:24 AM   #7785
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Quote:
Originally Posted by I-275westcoastfl View Post
In cold climates snow plows take them off. Here in Florida they paint lanes and then add reflectors that are white in the direction you are headed and red in the opposite direction for those brilliant people who would go the wrong way.
they have those white/red reflectors here in cali too. i must say i like them. makes night driving easy. in the higher altitudes they sometimes indent the pavement so snow plows go right over them.
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Old February 3rd, 2012, 07:22 AM   #7786
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Quote:
Originally Posted by diablo234 View Post
Those pavement markings are actually pretty common in warmer climates. California, Texas, Florida, and Louisiana actually use them pretty extensively.
do they survive there? All of Las Vegas has these markings and they were alright. I don't know why they break that easily here. It snows once a year so it's not because of snow plows
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Old February 3rd, 2012, 09:54 AM   #7787
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Quote:
Originally Posted by musiccity View Post
Here is the newly completed Briley Pkwy - 1-40 interchange in Nashville. It took nearly 10 years to complete.



I-40 Towards Downtown Nashville
Nice....interesting it took 10 years to complete.
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Old February 3rd, 2012, 11:09 AM   #7788
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2003:


2004:


2005:


2010:


2011:
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Old February 3rd, 2012, 11:46 PM   #7789
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We should let China take over the U.S. for 5 years and let them build up our infrastructure. They seem to do everything faster.
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Old February 4th, 2012, 01:13 AM   #7790
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In Florida it takes 10 years for them to do roadworks too, ridiculous..
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Old February 4th, 2012, 10:54 AM   #7791
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Well, in this case they simply did nothing for 5 years. It's not like the construction works itself took 10 years.

Another rockslide on I-40 in North Carolina:
image hosted on flickr

Rockslide near Mile Marker 7 on I-40 by NCDOTcommunications, on Flickr

Last edited by ChrisZwolle; February 4th, 2012 at 11:27 AM.
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Old February 4th, 2012, 04:43 PM   #7792
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Quote:
Originally Posted by musiccity View Post
Here is the newly completed Briley Pkwy - 1-40 interchange in Nashville. It took nearly 10 years to complete.

image hosted on flickr

I-40 West - Exit 204B&A - TN 155 Briley Parkway by Adam's Journey, on Flickr
Gawd, it's hideous, too. White-painted trapezoidal box girder viaducts with interestingly-shaped columns would've looked a lot better. And Tennessee generally pays (or paid) more attention to aesthetics than some other states.

Texas used to not give a ratsass about aesthetics, but they've swung decisively away from that lately. Other states have moved in the other direction-- my own state of Georgia, after the Golden Age of Spaghetti Junction in the late '70's-'80's, now uses AASHTO girders for almost everything. In fact,this week I drove I-575 and noticed that new AASHTO girder bridges are being built on a route that was built with graceful cast-in-place concrete box girders for all its aesthetically prominent bridges. Are other states moving decisively in one direction or the other as far as aesthetics?
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Old February 6th, 2012, 07:41 PM   #7793
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What cities in America have the best and worst congestion relative to each other? I took at look at the congestion ratings on INRIX and compared it to the metro populations rating of each city (only looked at cities with metro populations greater then 1 million). Cities with major differences in population to congestion rankings are highlighted:

Cities with low congestion relative to each other:
+36 Tucson AZ 52
+19 Tampa-St. Petersburg-Clearwater FL 19
+19 Memphis TN-MS-AR 41
+18 Jacksonville FL 40
+16 Orlando-Kissimmee FL 27
+16 Richmond VA 43
+12 Providence-New Bedford-Fall River RI-MA 37
+12 Rochester NY 51
+11 Detroit-Warren-Livonia MI 11
+10 Indianapolis-Carmel IN 34
+9 Columbus OH 32
+9 Salt Lake City UT 48
+8 Miami-Fort Lauderdale-Pompano Beach FL 7
+7 Phoenix-Mesa-Scottsdale AZ 12
+7 St. Louis MO-IL 18
+5 Cincinnati-Middletown OH-KY-IN 24
+5 Cleveland-Elyria-Mentor OH 26
+5 Las Vegas-Paradise NV 30
+5 Louisville/Jefferson County KY-IN 42
+4 Philadelphia-Camden-Wilmington PA-NJ-DE-MD 5
+3 Atlanta-Sandy Springs-Marietta GA 9
+3 Riverside-San Bernardino-Ontario CA 14
+3 Charlotte-Gastonia-Concord NC-SC 33
+3 Raleigh-Cary NC 49

Cities with high congestion relative to each other:
-13 San Jose-Sunnyvale-Santa Clara CA 31
-13 Birmingham-Hoover AL 47
-9 Austin-Round Rock TX 35
-7 San Francisco-Oakland-Fremont CA 13
-6 Baltimore-Towson MD 20
-6 Virginia Beach-Norfolk-Newport News VA-NC 36
-6 Nashville-Davidson--Murfreesboro--Franklin TN 38
-6 Milwaukee-Waukesha-West Allis WI 39
-6 New Orleans-Metairie-Kenner LA 46
-5 Seattle-Tacoma-Bellevue WA 15
-5 Minneapolis-St. Paul-Bloomington MN-WI 16
-5 Denver-Aurora-Broomfield CO 21
-5 Oklahoma City OK 44
-4 Washington-Arlington-Alexandria DC-VA-MD-WV 8
-4 San Diego-Carlsbad-San Marcos CA 17
-4 Sacramento--Arden-Arcade--Roseville CA 25
-3 Portland-Vancouver-Beaverton OR-WA 23

(green & red highlighted cities are within the 25 highest metro areas by population)

Interestingly enough Tampa, Miami & Detroit often appear on the top ten lists of worst cities in America for public transportation yet according to INRIX they are some of the least congested major cities in America.
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Old February 6th, 2012, 08:37 PM   #7794
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Well Tampa and Miami have a large retiree population (who don't have to commute) plus alot of people in Florida tend to work in the service industry so alot of people tend to work different shifts. In Detroit's case I would imagine it's because of the economy and their unemployment rate.
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Old February 7th, 2012, 11:09 AM   #7795
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Quote:
Originally Posted by Botev1912 View Post
This is what I'm talking about with the multiple reflectors in a row. If you look at the bottom of the picture, you can see old reflectors that haven't been removed. Every other year, WSDOT just sticks a new one right behind the cluster of old ones.

RPMs (Raised Pavement Markers) should just be phased out. They don't last at all. Wider, 6-inch by 20-ft dashed lines with a 40-ft spacing in the middle like in most European countries would do the job just fine, and last longer.
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Old February 7th, 2012, 08:20 PM   #7796
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Tampa and Miami with low congestion?!? Hahahahaha!! Apparently INRIX has never been to either metro. Tampa and Miami often appear on worst congestion and commute times lists. Only thing I can see factoring in recently is the poor economy and high unemployment of Florida. Actually even Detroit makes so those lists too.
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Old February 7th, 2012, 08:56 PM   #7797
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Quote:
Originally Posted by HAWC1506 View Post
RPMs (Raised Pavement Markers) should just be phased out. They don't last at all. Wider, 6-inch by 20-ft dashed lines with a 40-ft spacing in the middle like in most European countries would do the job just fine, and last longer.
If you're including raised reflectors, then I strongly disagree with you because painted lines have a tendency to "disappear" when it's raining. At least RPMs provide an audible cue to drivers when they drift out of their lane.
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Old February 7th, 2012, 10:26 PM   #7798
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Here's the road network that INRIX analyzed in Tampa. I don't know how good of a job INRIX does evaluating congestion within a city when only freeways are analyzed. US-19 carries up to 80,000 vehicles per day yet since it's mainly a surface street with signalized intersections the route wasn't analyzed (at least the section through Clearwater):

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Old February 8th, 2012, 12:09 AM   #7799
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Metro areas with few freeways have a lot of "hidden" congestion on their arterials. Having a bad road network doesn't stop people from going to work.
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Old February 8th, 2012, 12:32 AM   #7800
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Quote:
Originally Posted by tradephoric View Post
Here's the road network that INRIX analyzed in Tampa. I don't know how good of a job INRIX does evaluating congestion within a city when only freeways are analyzed. US-19 carries up to 80,000 vehicles per day yet since it's mainly a surface street with signalized intersections the route wasn't analyzed (at least the section through Clearwater):

Now it makes sense, the areas in red are where most of the congestion is in Tampa that is along the interestate, most of the other populated and dense areas are not along an interstate or highway. In fact most congestion in Tampa Bay is on its artery roads. US19 at its most congested point has 114,000 vehicles per day, there is a map with numbers for each area, I'd have to look for it however 80,000 as an average might be right. US19 has a few sections that are freeway grade and in process of being converted to it.
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