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Transportation emissions are the single largest source of carbon emissions in the US, so investments that increase the mode-share of rail travel and incentivize land use policy to produce more transit-oriented jobs and housing and more walkable environments that would further reduce the...

Four new trains are in revenue service on the Orange Line this morning.

There were three new OL trains running early this morning, but now we're down to two. Based on anecdotal reports on Twitter, it seems like one of the new ones was taken out of service due to mechanical problems. This jibes with what I saw approaching Oak Grove, where we passed a new OL train...

The ghost of Frank DePaola is posting in this very thread!

The NH route is a quixotic plan because the level of investment to get it started would be very high. The trackage past Boscawen no longer exists, and even if you entirely rebuilt the line it wouldn't be very fast because the ROW is very curvy. Boston-Montreal isn't a good enough route to...

This is very much the wrong way to think about a Boston-Montreal train via Springfield — or via NH (where the directness of the route would be offset by the slowness of the ROW). Some people would take the full length of the train from Boston to Montreal, but if that seems like a weak market to...

It would not be faster because the ROW north of Concord is windy and slow. In any event, the success of the direct Boston-Montreal train depends on piggybacking off of robust Amtrak service in the Boston-Springfield corridor in one half, and providing a second train to the Vermonter corridor...

There is a brutal slow order northbound between Stony Brook that is creating ~2.5 minute travel times where prior to August 2020 there were 50 second travel times between these stations. I played around with the TransitMatters dashboard and you can find a ton of segments where the trains used...

Maybe I'm late to the party on this one, but I was biking to Coolidge Corner on Friday and I passed through the reconstructed area of Route 9 / Washington St for the first time since the new separated bike lanes have opened. The light cycle at the intersection of Route 9 and Pearl St had a bike...

Virginia seals deal for $3.7 billion rail plan, including new Potomac River bridge

https://whdh.com/news/mbta-commuter-rail-adjustments-target-peak-service/

Amtrak Ohio proposals... http://allaboardohio.org/2021/01/29/amtrak-proposes-five-ohio-routes/

This doesn't seem that realistic to me. First of all, how much of these intersection efficiency gains would increase the capacity of the system, and how much would just push the bottleneck to the next intersection where there's, say, a pedestrian signal? How much of these capacity gains are...

I question the assumption that — even in an ideal AV-only world that probably won't exist — parking lanes could be converted to travel lanes. One thing that I notice AV boosters rarely contend with is curb space. In an AV world, cars need to stop at the curb to let people out or take people on...

Q: Can Self-Driving Cars Stop the Urban Mobility Meltdown? A: No.

Of course you are correct about the overall dynamics....but this Southsider would love RUR service to my job in Melrose!!!

Thanks for the update. I'm also quite excited by this. The total number of passenger-hours saved per day in the PM rush is going to be enormous. A couple of minor questions: 1) There are four stops between Firth/South and Tollgate Way. Getting that down to two seems unrealistic...

Wait, why is the new Broadway Bridge getting two traffic lanes in each direction? Broadway is not a two-lane street in that section.

How feasible would a robust road diet be here? I'd like to think it's workable in a post-GLX world.

I apologize if there's discussion of this buried somewhere in the thread, but given the size and scope of the Forest Hills hub, shouldn't there be some sort of direct bus connection to Kenmore or at least somewhere in the vicinity of the BU Bridge? If you want to access most of the Green Line...