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Welcome to the TRANSIMS Open Source Project Site!

The Transportation Analysis and Simulation System (TRANSIMS), is an integrated set of tools developed to conduct regional transportation system analyses. With the goal of establishing TRANSIMS as an ongoing public resource available to the transportation community, TRANSIMS is made available under the NASA Open Source Agreement Version 1.3
 
Basic information is available to all site visitors. For better access, please register and visit the forums.
Current News
NEXTA second beta available!
Release
Written by Brian Gardner   
Thursday, 01 October 2009 13:11

Xuesong Zhou at the University of Utah has made available the second beta release of NEXTA for TRANSIMS. NEXTA is a tool for creating and editing traffic networks and for viewing DTA simulation results.  This release (08/18/09) provides the following new features:

  • Time-dependent travel time contour
  • Bottleneck visualization
  • Turning movement delay visualization
  • Link MOE sorting and exporting 

The installer, sample data set and user guide can be downloaded at http://www.civil.utah.edu/~zhou/NEXTA_for_TRANSIMS.html

Last Updated on Thursday, 01 October 2009 13:16
 
Site Changes
General
Written by Brian Gardner   
Monday, 15 June 2009 13:45

Welcome to the new site! There were a lot of upgrades and changes behind the scenes, including a new hosting company. The wiki is up again! The biggest change you will see is in the forums with the new Agora software.

There were some problems in the move to the new site. A major crash occurred while transferring the forum posts to the new site. The crash, combined with schedule concerns, means that information posted in May and early June is lost. The crash also wiped registrations during this period. Recovering this information would have required more administration time and resulted in increasing site down time. This was a difficult decision, but it really was time to get the site up and running again.

If your member registration was lost, please re-register. If you encounter problems, please email me at This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Thank you for your patience during this transition.

Last Updated on Monday, 15 June 2009 14:50
 
TRANSIMS Training June 23-25
Workshop
Written by Hubert Ley   
Friday, 29 May 2009 00:00

A training course is scheduled for  June 23-25 at the University of Houston.

The Transportation Research and Analysis Computing Center at Argonne National Laboratory, the Houston-Galveston Area Council, and the University of Houston will hold a TRANSIMS training course at the University's Technology Building. The course targets analysts new to the TRANSIMS methodology, and covers both the theoretical underpinnings as well as the practical application of the code. Participants will develop a full understanding of the general TRANSIMS principles, implementation details, data requirements, capabilities, and limitations of the software.

Last Updated on Monday, 15 June 2009 15:02
 
Version 4.0.5 Released
Release
Written by Brian Gardner   
Tuesday, 05 May 2009 00:00

Version 4.0.5 is available on Sourceforge at the project download page.

See the package changelog on the sourceforge release page for details on bug fixes and new features.

 Thanks go to David and Hubert for their work to get this release completed!

 
 
Version 4.0.4 Released
Release
Written by Brian Gardner   
Tuesday, 03 February 2009 12:19

Version 4.04 is available on Sourceforge at the project download page.

See the package changelog on the sourceforge release page for details on bug fixes and new features.

Last Updated on Tuesday, 03 February 2009 12:26
 
Site Status
General
Written by Brian Gardner   
Tuesday, 03 February 2009 12:16

After weeks of downtime, the site is now back online with just basic features. Work to recover the site is ongoing and will probably take another week. Thank you for your patience.

If you haven't already done so, consider subscribing to the transims-l listserv. The listserv provides another band of communication within the community. See http://tmip.fhwa.dot.gov/transims/email_list/ for instructions. The page also has a link to the message archive if you'd like to get a sense of the email traffic before signing up.

Last Updated on Tuesday, 03 February 2009 12:23
 
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