Category: Transit

Obtaining Chicago Transit Authority geodata

October 12, 2010 / / 0 Comments

A reader asked where they could get Chicago Transit Authority (CTA) data I didn’t already have on the “Find GIS data” page. I only had shapefiles for train lines and stations. Now I’ve got bus routes and stops.

You can download General Transit Feed Specification (GTFS) data from the CTA’s Developer Center. It’s updated regularly when service changes.

Screenshot from ESRI ArcMap showing the unedited shapes.txt file loaded via Tools>Add XY Data. Shapes.txt is an 18 MB comma-delimited text file with thousands of points that can be grouped together with their shape_id.

The GTFS has major benefits over providing shapefiles to the public.

  1. It can be easily converted to the common shapefile format, or KML format.
  2. Google, the inventor of GTFS, has defined and documented it well; it is unencoded and plaintext. These attributes make it easy for programmers and hackers to manipulate it in many ways. (see also item 4)
  3. Google provides a service to the public on its website, an easy to use and robust transit planning service.
  4. The data is stored as plaintext CSV files.
  5. While an agency like CTA may have a geodata server on its intranet, it is less likely it has the addons that provide mapping and geodata services for the internet. A server like Web Mapping Service, or ArcIMS. These systems can be expensive to purchase and license. And we all know how the CTA seems to always be in a money crunch. While the CTA updates its GTFS data for publishing to Google Maps, the public can download it simultaneously to always have up-to-date information, providing the same geodata that ArcIMS or WMS would offer but for no additional cost.

I couldn’t have pulled off this conversion in 24 hours without the help of Steven Romalewski’s blog, Spatiality. He pointed me to the right ArcMap plugin in this post about converting the Metropolitan Transportation Authority’s GTFS data into shapefiles. I hope Steven doesn’t move to Chicago less my authority on GIS and transit be placed in check!

Make your own map of the CTA train routes and perform some kind of analysis – then share it with the rest of us!

Read more about my exercise in geodata conversion in the full post.
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Metra 35th St. station surely won’t win any design awards

October 7, 2010 / / 0 Comments

UPDATE 04-07-11: The station opened on April 3, 2011. Blair Kamin explains why it doesn’t look as good as originally designed:

It didn’t have to be this way. The Chicago office of Skidmore, Owings & Merrill came up with a promising design for the station, one that justified the demolition of a Mies-designed brick hut that reportedly served as the entrance to an underground testing facility for explosives during the Cold War.

But then, things went seriously off the rails.

This new Metra commuter/regional rail station at 35th Street and Wentworth/Federal won’t win any design awards. Neither will the Lovana S. “Lou” Jones/Bronzeville Station stand out for having such a generic design.

The station under construction as of October 3, 2010.

Artist’s renderings of the station and street-level plaza, looking northwest. Left photo from Metra’s website and right photo from Singh & Associates’s website.

The amount of visible concrete used in the stairs and ramps construction (one complete set on either side of the tracks) is fitting if you consider the station’s surroundings: a 12-lane highway (the Dan Ryan, I90/94), thousands of surface auto parking spaces to the west (for the White Sox stadium), and an empty lot.

But what if we looked for design inspiration from the east?

Imagine a station shelter modeled after the sound mitigation “tube” over the Illinois Institute of Technology McCormick-Tribune Campus Center a few blocks away at State Street designed by Rem Koolhaas.

Photos above taken by Steven Crane.

Throw in some curves like the Canary Wharf stations on the Jubilee and Docklands Light Railway lines.

Photo of the Canary Wharf Docklands Light Railway (DLR) station by stephenk1977.

Photo of the Canary Wharf Jubilee Underground Line station by Payton Chung.

Companies involved:

High-speed rail under construction in Illinois

October 5, 2010 / / 0 Comments

UPDATE: The City of Carlinville Facebook page provides consistent and timely updates on the railroad crossing closures while the Union Pacific track is upgraded. The City posted photos, too.

If you weren’t specifically seeking out information on high-speed rail (HSR) construction, and you weren’t searching for “track renewal train” and other obscure keywords, you wouldn’t actually know about the status of HSR.

But that’s why you follow my blog – I’ll keep you updated.

Right now, crews are working 10 hour days, working 10 days on, and 5 days off* in Carlinville, Plainview (photo), and Alton, Illinois, to remove existing track and wooden ties and replacing them with concrete ties and continuously welded rail (CWR).

The proof is in the videos, taken only four days ago in Carlinville (map) on October 1, 2010. Watch more videos from PSQLead.

The Harsco Track Technologies Track Renewal Train 909 (TRT-909) does the following:

  • Picks up and carries out of the way old rail
  • Removes old wooden ties with a robot arm
  • Digs up ballast
  • Places new concrete ties
  • Drops in new rail and heats it so it can be “continuously welded”
  • Clamps new rail to new ties

What the beast looks like from afar. Photo of Union Pacific’s TRT-909 in Aldine, Texas, by Matthew Holman.

Thankfully Illinois doesn’t have a growing anti-rail political force like Ohio, California, Florida, or Wisconsin. All of these states have Republican candidates running for governor who say they will stop the train in its tracks. Read more about this unfortunate situation in The New York Times.

*This information comes from a secondary source. I hope to get in touch with someone who knows more about the work.

New blogs I like

October 4, 2010 / / 0 Comments

Now that I’m without a job, I’ll have more time for reading, commenting, and writing. And job finding. I just started reading these two blogs today and they’re quite exciting. Both blogs started this year.

  • MAX FAQS – MAX means Metropolitan Area Express, the name for Portland, Oregon’s regional light rail system. I’m not sure who writes it (that’s left out on the introduction post), but they’ve very knowledgeable about the operations of TriMet and light rail in general.

Two trains at the Rose Quarter Transit Center, northwest of the busy and multi-modal Steel Bridge in Portland, Oregon.

Sustainability is more than individuals installing rain barrels to water their lawn (for free). But we all should so less water goes down the drain and into costly water treatment plants.

Departing under the best conditions

September 28, 2010 / / 0 Comments

I was reading a brochure and timetable (yes, we still call them that) about the TGV Lyria high-speed train service from Paris to cities in Switzerland. Someone left it on a counter at work. It’s in French, and I can read about half of it.

The timetable asked that travelers board the train at least two minutes before the departure, “pour assurer les départs TGV Lyria dans les meilleures conditions” (to ensure the train departs in the best conditions).

Two minutes? You only have to find your train 2 minutes before departure time?

Short story: Back in 1998 (I was 14), my mom and I were traveling from Paris to London on the Eurostar (travels under the English Channel). We’re walking down the ramp to the platform and one of the conductors sees us coming. He yells or motions for us to hurry up. We start jogging down the ramp and jump into the nearest car door.

About 45 seconds later, the train leaves.

A Eurostar train at Gard du Nord. Photo by Marcel Marchon.

More about being on-time:

  • 87.8% of TGV Lyria trains were arrived on time in June 2010.
  • 76.% of flights from 24 reporting airlines arrived on time in the same month. (U.S. DOT)