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Looks like the first train did not have its brakes applied at all. In a press release, the NTSB said it had obtained information from the event recorder on the train that struck a slower-moving train ahead of it. That train was traveling about 10 mph.

That's really cool to see :)

What is the possibility of grabbing four feet from the present design? I have circled four places where there appears to be a foot or more of leeway available. 1 - Could they reduce the four foot (mostly useless) "Mini Breakdown Lane" on the Pike to three feet? 2 - Do we really need 18 feet...

Very interesting. It sounds like you know of which you speak. Thanks for the insight.

Looks like the Bredas are stronger than the Kinkis. They are newer of course so the buff standards might have been increased. This is certainly not as bad but it is reminiscent of the horrible fatal in 2008. Seems like a lot of deformation for the speed which I would guess was much less than...

What's the grade of the present GJ? It looks like a pretty good grade climbing up to the bridge now. I suppose at this point West Station could be moved a bit west to accommodate any needed running room to the viaduct.

You sold me, Charlie. But make it a nice boardwalk from the shore instead of that stiltway in the river.

Going back through the thread and looking at the maps and renderings it looks like there are no streets passing over the tracks east of West Station which is where the tracks would have to come down to ground level. BTW - If you go back to the beginning you can see that the original plans were...

That elevation looks pretty substantial. Maybe 8 feet or so? Probably no reason why the main line couldn't be lowered to make this happen if necessary.

There actually have been some very interesting plans for buildings and open space over the Turnpike and they included pedestrian grade crossings across the GJ. There of course are existing pedestrian crossings in Cambridge now. Although it initially sounds like a non-starter, the overpass...

So what the heck are the Feds talking about?

I like it. It works and it visually opens up the entire area with the only obstruction being the GJ viaduct which is as far from the shore as possible. I hope there isn't an issue with the level of the Pike under the GJ bridge. Start building it.

You can see how it works here:

Not anymore than the "everything at level" plan. It just moves things around slightly. As originally planned in the "at level" scheme, there are four tracks running along the left edge, then the turnpike, Storrow Drive and parkland. My plan would have two mainline tracks on the left, the...

Sorry, I thought you were talking about my idea. The photo was not posted at the time I responded.

Yes but it looks like there is no way for the Pike to dip below the GJ as planned due to this recent flooding issue. It sounds like the Pike will have to be raised up a bit so it will be slightly elevated through the area anyway. At the point that I suggest the GJ run under the Pike, the Pike...

I know it's all the rage lately to promote downsizing, eliminating, and calming (slowing down) every major roadway you can, but we simply can't keep choking the roadways and expect all will be fine. Not everyone can take the T to work. Businesses need things delivered reliably on time. Work...

How about this: The Grand Junction crosses Storrow Drive on a bridge and runs north between the Pike and Storrow Drive. Everything is basically at level through "The Throat". It looks like there is enough distance to have the Grand Junction drop down and cross under the Pike before reaching...

What the heck is that? That ain't no Airstream.

Looks like it doesn't make any difference how wide it is now.