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Author Topic: NJ - 295/76/42 Construction Projects  (Read 218348 times)

famartin

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Re: NJ - 295/76/42 Construction Projects
« Reply #600 on: March 22, 2022, 12:50:01 PM »

https://goo.gl/maps/WwgySQgpbDtkPiCz9
What, out of curiosity, is the purpose of the traffic signal here?
It's apparently standard practice for tunnels in NJ. The lights are meant to turn red if there is an incident inside the tunnel. I'm not clear on whether all lights would turn red or only the one(s) above the lane(s) affected.

I get that point about the tunnel... but how does it qualify as a tunnel? Looks like just a relatively long underpass to me. Is there a length criteria?
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jeffandnicole

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Re: NJ - 295/76/42 Construction Projects
« Reply #601 on: March 22, 2022, 01:01:08 PM »

https://goo.gl/maps/WwgySQgpbDtkPiCz9
What, out of curiosity, is the purpose of the traffic signal here?
It's apparently standard practice for tunnels in NJ. The lights are meant to turn red if there is an incident inside the tunnel. I'm not clear on whether all lights would turn red or only the one(s) above the lane(s) affected.

All will turn red if the tunnel needs to be closed.

Similar to the Trenton Tunnel.
https://maps.app.goo.gl/ZW6HPwqV583CnkeN9 , which I did see red once. They were flashing red. They were also universally ignored, and we all drove thru the tunnel anyway.
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jeffandnicole

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Re: NJ - 295/76/42 Construction Projects
« Reply #602 on: March 22, 2022, 01:11:11 PM »

https://goo.gl/maps/WwgySQgpbDtkPiCz9
What, out of curiosity, is the purpose of the traffic signal here?
It's apparently standard practice for tunnels in NJ. The lights are meant to turn red if there is an incident inside the tunnel. I'm not clear on whether all lights would turn red or only the one(s) above the lane(s) affected.

I get that point about the tunnel... but how does it qualify as a tunnel? Looks like just a relatively long underpass to me. Is there a length criteria?

I don't think there's any true guidelines regarding what a tunnel is or what needs to be done, so I guess it's in the mindset of DOT what it is. There's no traffic restrictions here either.

There will also be a longer tunnel for the 295 South to 42 South ramp, which will be a longated curve under 76/42. While a cut and cover tunnel, it will be a more true tunnel in that there will be the need for a pump station and/or ventilation. That's what this building is for, tucked between 76W and the ramp from 76E to 295N:
https://maps.app.goo.gl/wszENLSsSL9a6z1A8 .
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roadman65

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Re: NJ - 295/76/42 Construction Projects
« Reply #603 on: March 22, 2022, 04:49:54 PM »

https://goo.gl/maps/XJEmAjMkhyvSXZVF8

I take that is the callapsed wall I take slowing the project down in the caption above.
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Sheryl Crowe

jeffandnicole

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Re: NJ - 295/76/42 Construction Projects
« Reply #604 on: March 22, 2022, 05:11:14 PM »

https://goo.gl/maps/XJEmAjMkhyvSXZVF8

I take that is the callapsed wall I take slowing the project down in the caption above.

At least currently, the wall doesn't have an effect on the timeline. The main reason for the slowdown had been the state needed more land from the cemetery to build the temporary bridge for Browning Road. They only needed 100 more feet or so, but the cemetery apparently was extremely tough in their negotiations, and the state refused to go through an eminent domain process with them.

The wall, no doubt, will eventually cause another delay, but that portion of roadway wasn't due to open for a few years, so they actually do have some time to repair the damage.
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roadman65

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Re: NJ - 295/76/42 Construction Projects
« Reply #605 on: March 22, 2022, 05:18:29 PM »

That cemetery seems to be why the whole project is built the way it is in the first place. All having to be built in a narrow passageway over the existing north-south freeway including a three level crossing at Browning Road.
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Sheryl Crowe

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Re: NJ - 295/76/42 Construction Projects
« Reply #606 on: March 22, 2022, 09:24:53 PM »

https://goo.gl/maps/WwgySQgpbDtkPiCz9
What, out of curiosity, is the purpose of the traffic signal here?
It's apparently standard practice for tunnels in NJ. The lights are meant to turn red if there is an incident inside the tunnel. I'm not clear on whether all lights would turn red or only the one(s) above the lane(s) affected.

I get that point about the tunnel... but how does it qualify as a tunnel? Looks like just a relatively long underpass to me. Is there a length criteria?
I wanna say 180' equals a tunnel.

jeffandnicole

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Re: NJ - 295/76/42 Construction Projects
« Reply #607 on: March 23, 2022, 08:39:47 AM »

That cemetery seems to be why the whole project is built the way it is in the first place. All having to be built in a narrow passageway over the existing north-south freeway including a three level crossing at Browning Road.

Yep, that cemetery has a lot to do with both the current and future routing. NJDOT was able to purchase some land from the cemetery to help squeeze in the future roadways. A questionably historic house that was taken had been used as the cemeteries' offices. NJDOT also bought land directly behind two mausoleums that the cemetery had plans for 2 additional mausoleum in the future. NJDOT took some housing on the west side of the interchange as well that had some regional significance, in which NJDOT funded new housing on available land in the same area.

BTW, I have 2 grandparents that are buried in this cemetary also.

Another interesting area is the building at the corner Leaf and Harding Ave. I orginally assumed that they would be demolishing it but it now looks like the ramp will go over the building.

I'm trying to figure that one out myself. Took a ride in this area, and it appears that building is being used by the contractor for the project. Judging by the angles, it appears they can put the bridge piers over what remains of the building...barely! If I were to take a guess, after the contractor is finishing up the project and doesnt need the building anymore, the remainder of the building will be knocked down.
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danlb_2000

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Re: NJ - 295/76/42 Construction Projects
« Reply #608 on: March 23, 2022, 12:13:49 PM »


I'm trying to figure that one out myself. Took a ride in this area, and it appears that building is being used by the contractor for the project. Judging by the angles, it appears they can put the bridge piers over what remains of the building...barely! If I were to take a guess, after the contractor is finishing up the project and doesnt need the building anymore, the remainder of the building will be knocked down.

That makes sense, especially since the intersection of Harding and Leaf is supposed to be reconfigured into a circle as part of this project.

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roadman65

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Re: NJ - 295/76/42 Construction Projects
« Reply #609 on: March 23, 2022, 04:05:26 PM »

I know final resting places are very sacred. I'm sure people in Newark were in uproar when the Parkway was built dab center of a cemetery on CR 510.

My dad told me that many graves were disturbed to build the freeway then. 
« Last Edit: March 23, 2022, 04:07:29 PM by roadman65 »
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jeffandnicole

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Re: NJ - 295/76/42 Construction Projects
« Reply #610 on: March 23, 2022, 04:39:25 PM »


I'm trying to figure that one out myself. Took a ride in this area, and it appears that building is being used by the contractor for the project. Judging by the angles, it appears they can put the bridge piers over what remains of the building...barely! If I were to take a guess, after the contractor is finishing up the project and doesnt need the building anymore, the remainder of the building will be knocked down.

That makes sense, especially since the intersection of Harding and Leaf is supposed to be reconfigured into a circle as part of this project.

That roundabout was removed from the final design. The intersection will be basically left as is for now.
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jeffandnicole

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Re: NJ - 295/76/42 Construction Projects
« Reply #611 on: May 31, 2022, 05:30:11 PM »

https://www.courierpostonline.com/story/news/2022/05/31/nj-department-transportation-says-295-wall-collapse-complex-failure-direct-connection-route-42/7453712001/

Quote
A report prepared for the New Jersey Department of Transportation blames a "complex" failure for the collapse of a retaining wall at a Direct Connection roadway reconstruction site.

Among the failures: heavy rains, but also the wrong type of sand used in the wall's construction and a faulty foundation, said the report by Hardesty and Hanover LLC of New York...
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DrSmith

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Re: NJ - 295/76/42 Construction Projects
« Reply #612 on: May 31, 2022, 07:19:05 PM »

https://www.courierpostonline.com/story/news/2022/05/31/nj-department-transportation-says-295-wall-collapse-complex-failure-direct-connection-route-42/7453712001/

Quote
A report prepared for the New Jersey Department of Transportation blames a "complex" failure for the collapse of a retaining wall at a Direct Connection roadway reconstruction site.

Among the failures: heavy rains, but also the wrong type of sand used in the wall's construction and a faulty foundation, said the report by Hardesty and Hanover LLC of New York...

Maybe I am misunderstanding the quote from the article provided above..... It sounds like stating it is a complex failure because 2 different mistakes were made and heavy rain revealed them. If that is the interpretation, that seems amazing.
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jeffandnicole

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Re: NJ - 295/76/42 Construction Projects
« Reply #613 on: May 31, 2022, 09:28:31 PM »

https://www.courierpostonline.com/story/news/2022/05/31/nj-department-transportation-says-295-wall-collapse-complex-failure-direct-connection-route-42/7453712001/

Quote
A report prepared for the New Jersey Department of Transportation blames a "complex" failure for the collapse of a retaining wall at a Direct Connection roadway reconstruction site.

Among the failures: heavy rains, but also the wrong type of sand used in the wall's construction and a faulty foundation, said the report by Hardesty and Hanover LLC of New York...

Maybe I am misunderstanding the quote from the article provided above..... It sounds like stating it is a complex failure because 2 different mistakes were made and heavy rain revealed them. If that is the interpretation, that seems amazing.

There were more issues mentioned in the article, although not being an engineer, some of the failures weren't really failures.  However, it's like a bridge collapse.  Once one part fails, the other parts will fail with it.

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02 Park Ave

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Re: NJ - 295/76/42 Construction Projects
« Reply #614 on: June 01, 2022, 11:59:39 AM »

https://www.courierpostonline.com/story/news/2022/05/31/nj-department-transportation-says-295-wall-collapse-complex-failure-direct-connection-route-42/7453712001/

Quote
A report prepared for the New Jersey Department of Transportation blames a "complex" failure for the collapse of a retaining wall at a Direct Connection roadway reconstruction site.

Among the failures: heavy rains, but also the wrong type of sand used in the wall's construction and a faulty foundation, said the report by Hardesty and Hanover LLC of New York...

Regarding the sections of the project currently in use, is it a certainty that appropriate sand was specified, columns, if used, were adequately designed, and soil was mechanically stabilized properly?
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jeffandnicole

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Re: NJ - 295/76/42 Construction Projects
« Reply #615 on: June 01, 2022, 06:47:40 PM »

https://www.courierpostonline.com/story/news/2022/05/31/nj-department-transportation-says-295-wall-collapse-complex-failure-direct-connection-route-42/7453712001/

Quote
A report prepared for the New Jersey Department of Transportation blames a "complex" failure for the collapse of a retaining wall at a Direct Connection roadway reconstruction site.

Among the failures: heavy rains, but also the wrong type of sand used in the wall's construction and a faulty foundation, said the report by Hardesty and Hanover LLC of New York...

Regarding the sections of the project currently in use, is it a certainty that appropriate sand was specified, columns, if used, were adequately designed, and soil was mechanically stabilized properly?

They've all been up for several years without issue.  This one failed just under its own weight.  That pretty much answers this question.
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odditude

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Re: NJ - 295/76/42 Construction Projects
« Reply #616 on: June 02, 2022, 12:18:52 AM »

https://www.courierpostonline.com/story/news/2022/05/31/nj-department-transportation-says-295-wall-collapse-complex-failure-direct-connection-route-42/7453712001/

Quote
A report prepared for the New Jersey Department of Transportation blames a "complex" failure for the collapse of a retaining wall at a Direct Connection roadway reconstruction site.

Among the failures: heavy rains, but also the wrong type of sand used in the wall's construction and a faulty foundation, said the report by Hardesty and Hanover LLC of New York...

Regarding the sections of the project currently in use, is it a certainty that appropriate sand was specified, columns, if used, were adequately designed, and soil was mechanically stabilized properly?

certainty, no, but i have a feeling all of the submittals were re-reviewed with a fine-toothed comb after the failure.
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jeffandnicole

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Re: NJ - 295/76/42 Construction Projects
« Reply #617 on: June 03, 2022, 12:25:14 PM »

This summary goes into a much greater detail of the collapse, especially in regards to the subsurface that we don't see. Well written summary of the report, with video as well.

https://42freeway.com/roads/direct-connection-wall-collapse-report-video/
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CtrlAltDel

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Re: NJ - 295/76/42 Construction Projects
« Reply #618 on: June 03, 2022, 01:32:37 PM »

This summary goes into a much greater detail of the collapse, especially in regards to the subsurface that we don't see. Well written summary of the report, with video as well.

https://42freeway.com/roads/direct-connection-wall-collapse-report-video/

A fascinating video.

My takeaway from it is that the main cause of the failure was the material they used under the wall. They chose sand since it allowed for easy drainage, but the area was wetter than they had anticipated, which apparently weakens the ability of the sand to withstand the weight it was to carry, which led to everything failing.

Past that, I'm amazed at all the engineering that goes into building an embankment like this. I would have thought that you just piled dirt up without really having to think too much about it.
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jeffandnicole

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Re: NJ - 295/76/42 Construction Projects
« Reply #619 on: June 03, 2022, 05:29:16 PM »

Past that, I'm amazed at all the engineering that goes into building an embankment like this. I would have thought that you just piled dirt up without really having to think too much about it.

I think that's how most people think. They see the end product.  They don't understand why a project takes multiple years.  The stuff they don't see simply doesn't exist - even the drainage that keeps the water off the road.
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CtrlAltDel

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Re: NJ - 295/76/42 Construction Projects
« Reply #620 on: June 03, 2022, 05:31:36 PM »

Past that, I'm amazed at all the engineering that goes into building an embankment like this. I would have thought that you just piled dirt up without really having to think too much about it.

I think that's how most people think. They see the end product.  They don't understand why a project takes multiple years.  The stuff they don't see simply doesn't exist - even the drainage that keeps the water off the road.

Especially when, like in the image on the home page of this web site, it just looks like a pile of dirt with a flat top, much like you'd make in a sandbox.

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danlb_2000

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Re: NJ - 295/76/42 Construction Projects
« Reply #621 on: June 24, 2022, 02:01:09 PM »



I'm trying to figure that one out myself. Took a ride in this area, and it appears that building is being used by the contractor for the project. Judging by the angles, it appears they can put the bridge piers over what remains of the building...barely! If I were to take a guess, after the contractor is finishing up the project and doesnt need the building anymore, the remainder of the building will be knocked down.

This question has been answered, they did put the overpass over the building.

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ekt8750

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Re: NJ - 295/76/42 Construction Projects
« Reply #622 on: July 25, 2022, 11:06:58 PM »

The new Creek Rd exit on NJ42 North opened this past weekend. Creek Rd has been renumbered to 14B with 14A being the future ramp to I-295 South.
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bzakharin

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Re: NJ - 295/76/42 Construction Projects
« Reply #623 on: July 26, 2022, 03:28:17 PM »

The new Creek Rd exit on NJ42 North opened this past weekend. Creek Rd has been renumbered to 14B with 14A being the future ramp to I-295 South.
It won't be 1A to match the Southbound numbering? Does that mean Exit 1B will be renumbered as well? Will southbound exits be renumbered to match?
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NJRoadfan

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Re: NJ - 295/76/42 Construction Projects
« Reply #624 on: July 26, 2022, 03:45:29 PM »

Southbound is signed Exit 14 currently. Remember this is firmly NJ-42 and uses its mileage for exits.
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