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Aden Y

@adenyacobi.bsky.social
193 followers 155 following 1.6K posts

UPenn MCP ‘27 President of Penn Transportation Club Enjoyer of Trains and Cranes Clearwater -> DC -> PHL All views are mine. Likes and retweets != endorsements.

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Aden Y @adenyacobi.bsky.social · 1h
Santiago, DR uses corrals to keep motorcycles and other vehicles out of pedestrian spaces
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Andrew @ugliestflower.bsky.social · 04/10/2026
“Does this look like the face of mercy!” With a picture of Rays tertiary mascot Stinger/Flappy Boi.
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Aden Y @adenyacobi.bsky.social · 04/10/2026
Rays showed why they’re the best in baseball today ☀️
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Aden Y @adenyacobi.bsky.social · 03/10/2026
Today I took OMSA: the municipal bus system in Santiago, DR 🇩🇴 OMSA had just over 2,000 riders a day in 2025. I think you’ll see why it deserves this low ridership.
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Aden Y @adenyacobi.bsky.social · 02/10/2026
You’re looking at the new faces of public transit in the Dominican Republic 🇩🇴
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Aden Y @adenyacobi.bsky.social · 02/10/2026
“How are we going to plan for Santiago if we can’t even plan a day trip to Puerto Plata?” - Famous last words by Studio Group 1
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Aden Y @adenyacobi.bsky.social · 29/09/2026
This is a concho, the primary form of public transportation in Santiago, DR. Conchos are shared taxis that run along a fixed route. Passengers pay a flat 40 peso ($0.67) fare to get picked up and dropped off anywhere along the route
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Aden Y @adenyacobi.bsky.social · 27/09/2026
They have interesting ways of supporting cranes in the DR
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Aden Y @adenyacobi.bsky.social · 27/09/2026
From the rolling mountains to the heart of the outskirts of the Dominican Republic’s second city: Santiago de los Caballeros
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Aden Y @adenyacobi.bsky.social · 27/09/2026
Plane foaming You just don’t see this everyday
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Aden Y @adenyacobi.bsky.social · 26/09/2026
I must’ve walked past here a dozen times but never noticed this park until now 📍 17th and Chestnut
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Aden Y @adenyacobi.bsky.social · 26/09/2026
YouTube is one of my best sources of info about transit in the Dominican Republic because the government there is not posting any information in a publicly accessible manner Shoutout to DR Transport Info. Because of you, I now know the capacity of buses in Santiago. m.youtube.com/watch?v=ZM2W...
m.youtube.com
Nuevos AUTOBUSES Llegan a la Ciudad Corazón y se unen al SIT (Todo lo que debes sabes)
YouTube video by Transporte RD Info
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Aden Y @adenyacobi.bsky.social · 26/09/2026
I’ve been selected to participate in Philly’s household travel survey 😈 Do I take a hundred transit trips between Rittenhouse and Penn to add support for a PATCO extension? Bike to Philly airport for an actual flight this time so we get a bike trail? How can I help advance your cause?
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Aden Y @adenyacobi.bsky.social · 26/09/2026
As part of their Accelerate plan, SEPTA has released the latest renderings of their Transit Signal Priority program to speed up buses
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Aden Y @adenyacobi.bsky.social · 26/09/2026
Make that 2-0 for the Rays
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Aden Y @adenyacobi.bsky.social · 25/09/2026
I got annoyed that there’s no single consolidated PDF of Reimagining Regional Rail, so I’ve made one. You can download it here if you want the full report: drive.google.com/file/d/1FVcx...
drive.google.com
Reimagining Regional Rail_Full Report.pdf
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Aden Y @adenyacobi.bsky.social · 25/09/2026
Diesel railroads are doing just fine apparently wapo.st/4xG2XZl
wapo.st
The surprise winners from record-high diesel prices
It isn’t just big oil companies that are benefitting from the highest diesel prices ever seen.
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Aden Y @adenyacobi.bsky.social · 24/09/2026
Houston METRO, the city’s public transit agency, wants to spend another $40M on road projects. I think this makes METRO the only road user who pays for damage caused to Houston’s city-owned streets. Trucks donthttps://www.yahoo.com/news/us/articles/metro-proposes-spending-40m-street-182510731.html
yahoo.com
Metro proposes spending $40M for street repaving. Advocates say that money should go to transit.
Metro's proposed budget for the coming fiscal year includes $40 million for road repairs that advocates say impedes the agency's work to maintain transit service levels amid budget strain.
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Aden Y @adenyacobi.bsky.social · 24/09/2026
I got my hands on the $1 Trump coin and it’s a lot less gold than the renderings let on
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Ben S @bensh3.bsky.social · 22/09/2026
Hill West is on the Pennsy side, and increasing service is difficult due to Amtrak costs and lower density (though service will remain!) What we've found is trains that don't run through still have to cross busy bottlenecks, so more through-running is key (+outer yard space) bsky.app/profile/jonp...
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Ben S @bensh3.bsky.social · 22/09/2026
In addition, the Reimagining Regional Rail master plan has been released! We finally might get the S-Bahn Philadelphia deserves. Read now: wwww.septa.org/initiatives/...
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Aden Y @adenyacobi.bsky.social · 22/09/2026
I full heartedly agree with these NIMBYs. Delivery drones are a nuisance that offers a solution to a problem that doesn’t exist. www.nytimes.com/2026/09/21/u...
nytimes.com
It’s Raining Boxes: Amazon Drones Overwhelm a Texas Suburb (Gift Article)
In Richardson, a fleet of drones has started to deliver goods quickly. But the noise is drowning out life for some residents: ‘We can’t live like this.’
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Aden Y @adenyacobi.bsky.social · 20/09/2026
What’s your favorite rail bridge?
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Aden Y @adenyacobi.bsky.social · 20/09/2026
It’s not my favorite station but it does have my favorite stained glass.
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Blvd Subway @blvdsubway.bsky.social · 16/09/2026
🚨 Philly Planning Commission takes up Roosevelt Blvd plans TOMORROW. How to comment: 📧 Email planning@phila.gov by NOON Thu 9/17 📝 Subject: Public Comment, Agenda Item 4 💬 Say: move the Roosevelt Blvd Subway into design & engineering.
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Aden Y @adenyacobi.bsky.social · 17/09/2026
I dig into some of the assumptions underlying PennDOT’s alternative analysis and find that the Roosevelt Boulevard Subway is undervalued. adenyacobi.substack.com/p/penndot-un...
adenyacobi.substack.com
PennDOT Underestimated the Benefits and Overestimated the Costs of a Roosevelt Boulevard Subway
The Roosevelt Boulevard Subway must be chosen for further study as PennDOT slowly moves toward selecting a locally preferred alternative
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Aden Y @adenyacobi.bsky.social · 14/09/2026
If you are familiar with the monorail project in Santiago de los Caballeros or transportation in general with that city, would appreciate chatting
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Aden Y @adenyacobi.bsky.social · 14/09/2026
My class’s planning studio project is about a city in the Dominican Republic and while Google has been helpful, I can’t imagine having made as much progress without using AI chatbots as a superhuman search engine and translating tool
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Aden Y @adenyacobi.bsky.social · 13/09/2026
American Airlines loves to play this game where you’re plane is scheduled to come in after you depart but they still won’t call your flight delayed
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Aden Y @adenyacobi.bsky.social · 13/09/2026
I assume the second pic is the bait? PLEASE if you’re posting “bait and switch” or “before and after”, put the bait/before on the left and the switch/after on the right. There is an epidemic of people doing it the wrong way and confusing people not in the know.
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Aden Y @adenyacobi.bsky.social · 12/09/2026
This is what the Silver Line should’ve been
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Emily Hamilton @ebwhamilton.bsky.social · 11/09/2026
@charlescgardner.bsky.social, @salimfurth.bsky.social and I are out with our new Menu of Options for state housing policy www.mercatus.org/research/pol...
mercatus.org
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Aden Y @adenyacobi.bsky.social · 10/09/2026
Finally snagged Odyssey IMAX 70mm tickets Hopefully the film isn’t shot by next Friday
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Aden Y @adenyacobi.bsky.social · 09/09/2026
I made a quick little tool to see how much ridership increase a transit agency would need to counteract rising diesel prices. The answer? A good amount! docs.google.com/spreadsheets...
docs.google.com
Fuel vs Ridership Calculator
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Aden Y @adenyacobi.bsky.social · 08/09/2026
My first thoughts looking at the NW Beltline rail plans as a nonresident: 1. Planners are averse to actually serving the Piedmont Hospital. 2. Planners are underselling how hard it will be to put light rail in an active freight corridor (the preferred CSX alternative). See Maryland Purple Line.
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Aden Y @adenyacobi.bsky.social · 08/09/2026
The demise of Atlantic City has been greatly exaggerated
A bustling boardwalkBeachgoers enjoying the sun with the Atlantic City pier and casinos in the backgroundThis kind of smart, walkable, mixed-use urbanism is illegal to build on most American citiesNew development
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Aden Y @adenyacobi.bsky.social · 07/09/2026
Made it to Atlantic City only a few minutes behind schedule
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Aden Y @adenyacobi.bsky.social · 07/09/2026
Onward to the beach!
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Aden Y @adenyacobi.bsky.social · 06/09/2026
Forgot to mention yesterday the complete lack of crosswalks for the towpath’s road crossings This was the worst offender: you had to cross an arterial next to two highway entrance ramps. The nearest crosswalk is several blocks away but the path is blocked by trees. So may as well risk crossing here
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JackTatt 🇨🇦 @jacktatttran.bsky.social · 06/09/2026
Look @chanface.bsky.social we could have a pedestrianized street with just the hostile vehicle barricades and no security. The city will not collapse (and this is from the lawless USA).
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Aden Y @adenyacobi.bsky.social · 06/09/2026
It’s the New Brunswick thread 🧵 Entering New Brunswick from the Delaware and Raritan Canal you’re met with a huge building with many residents enjoying the weather on their balconies. Need to copy+paste this in cities across America, minus the giant parking lot.
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Aden Y @adenyacobi.bsky.social · 05/09/2026
Trenton has its own Society Hill, called Mill Hill. Historic housing stock mixed with some faux-historic facades and hidden parking. There’s also a new multifamily construction on the edge of the historic district. This is what a historic district should be: small and compact.
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Aden Y @adenyacobi.bsky.social · 05/09/2026
Today’s bike trip
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Aden Y @adenyacobi.bsky.social · 05/09/2026
Great short transfer between the River Line, buses, and trains at Trenton
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Aden Y @adenyacobi.bsky.social · 05/09/2026
I thought one reason freight railroads don’t like overhead wires is maintenance will close down adjacent track but my SEPTA train passed this vehicle just fine
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Aden Y @adenyacobi.bsky.social · 05/09/2026
On the NEC and it seems like Amtrak is piloting white painted rails on track 3 in a few short sections between the Zoo interlocking and North Philadelphia. Either white paint pilot or chalk.
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Aden Y @adenyacobi.bsky.social · 05/09/2026
Apparently I am culturally boomer
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Aden Y @adenyacobi.bsky.social · 05/09/2026
A Josh Shapiro ad just came on calling out Stacy Garritty for wanting to increase the electricity supply and spliced the phrase “data centers” in there
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Aden Y @adenyacobi.bsky.social · 04/09/2026
I booked cheap Amtrak tickets a long time ago but plans changed and I’ve got to go solo now. Do I still go? Alternative is 🚴‍♂️ This is what I’ve already done in NYC. Any new things to do solo? - lots of Manhattan stuff - transit museum - prospect park - Gowanus canal - Williamsburg
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Stephen Jacob Smith @stephenjacobsmith.com · 04/09/2026
As part of research into the elevator market, I am doing an elevator census! Next time you are in an elevator (any time, any place), could you take a photo of the nameplate (brand and capacity in lbs/kgs) and the buttons (to get number of floors), and then later, enter it here? bit.ly/elevatorcensus
bit.ly
Elevator Census
This form is to submit information on elevators people encounter to help with the Center for Building in North America's research work. Note: You can submit for elevators in any country, not just Nort...
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