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Old 08-09-2018, 01:12 PM   #401
jass
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Re: Longfellow Bridge update

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Relatively inexpensive, and removable, replaceable for winter snow plowing, AKA practical.
This is more practical

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Old 08-09-2018, 04:26 PM   #402
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Re: Longfellow Bridge update

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This is more practical

Walk me through the snow management scenario in that picture?
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Old 08-10-2018, 09:13 AM   #403
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Re: Longfellow Bridge update

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Do you point that chute at the sidewalk or the car lanes?
Actually, we already have bike lanes like this and they're plowed with one of those brush plows mounted to a bobcat or similar vehicle instead of the chute. You get a little build up on the side, but it clears the bike lane without dumping a ton on the sidewalk or street. I watched them do it on Staniford all winter.
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Old 08-10-2018, 10:01 AM   #404
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Re: Longfellow Bridge update

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Do you point that chute at the sidewalk or the car lanes?
It could be blasted straight into the river.

Or if for some reason we feel snow shouldnt fall into the river, blast it straight into the bed of a truck.

(start at 9:55 if it doesnt automatically)
https://youtu.be/pR_4K8pmknk?t=9m55s


Snow isn't a new thing. Bike lanes in areas with snow arent new either. I hate when people bring up snow as a shocking discovery that nobody has ever through about before.

We have the technology. And not as in "surely the home of Harvard, MIT, and a dozen tech firms can figure it out" way, but in the "buy it off the shelf like a dozen other cities do" way.
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Old 08-10-2018, 11:24 AM   #405
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Re: Longfellow Bridge update

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Originally Posted by Lrfox View Post
Actually, we already have bike lanes like this and they're plowed with one of those brush plows mounted to a bobcat or similar vehicle instead of the chute. You get a little build up on the side, but it clears the bike lane without dumping a ton on the sidewalk or street. I watched them do it on Staniford all winter.
The City and State are not worried about how to plow the bike lane -- they get the use of bobcats and brushes (where to throw the snow is an issue though).

What they care about is a big plow in the road hitting the edge or gap in one of those solid barriers and throwing the concrete across the road at high speed, killing some one or at least causing major damage to both the road and plow.

Plow drivers are not careful enough (and cannot see) the starts and gaps in those barriers (covered in snow). They do hit them with great damage.
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Old 08-10-2018, 11:30 AM   #406
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Re: Longfellow Bridge update

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The City and State are not worried about how to plow the bike lane -- they get the use of bobcats and brushes (where to throw the snow is an issue though).

What they care about is a big plow in the road hitting the edge or gap in one of those solid barriers and throwing the concrete across the road at high speed, killing some one or at least causing major damage to both the road and plow.

Plow drivers are not careful enough (and cannot see) the starts and gaps in those barriers (covered in snow). They do hit them with great damage.
You could simply have the soft hit post for vertical delineation at the start and then a couple of times down the road to ensure theyre going in a straight line

If it works in Montreal, it works in Boston. They get a lot more snow and have been doing this a lot longer.
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Old 08-10-2018, 11:49 AM   #407
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Re: Longfellow Bridge update

Biking in winter in Montreal.

https://montrealgazette.com/life/win...treal-no-sweat

^^^ The title is misleading, if the connotation is that it's easy. But no sweat because its too friggin cold to sweat is more like it.

A Canadian compares winter biking in Copenhagen and Toronto.
http://spacing.ca/toronto/2007/09/28...vs-copenhagen/

In the winter of 2016-17, Amsterdam received a total of two inches of snow.
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Old 08-10-2018, 01:20 PM   #408
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Re: Longfellow Bridge update

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You could simply have the soft hit post for vertical delineation at the start and then a couple of times down the road to ensure theyre going in a straight line

If it works in Montreal, it works in Boston. They get a lot more snow and have been doing this a lot longer.
And probably have more professional snow plow operators. Ours haven't seen an obstacle they can avoid.

But point taken, yes it should be possible to delineate the concrete divider for snow plow operators. But I have seen multiple road design sites that recommend the soft, removable dividers for areas that require snow plowing.
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Old 08-12-2018, 09:49 PM   #409
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Re: Longfellow Bridge update

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And probably have more professional snow plow operators. Ours haven't seen an obstacle they can avoid.

But point taken, yes it should be possible to delineate the concrete divider for snow plow operators. But I have seen multiple road design sites that recommend the soft, removable dividers for areas that require snow plowing.
The fact that our sidewalk curbs survive, even in area with no parking, means the plows are decent enough.

Of course, theres an entire other argument that could be made for less plowing and salting, and more winter tires.
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Old 08-15-2018, 10:34 PM   #410
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