Activity Stream

Activity Stream

  1. Ed added a topic in General Discussion   

    New attack pose high risk to advance field equipments
    I just posted details about the BrickerBot attack.  This attack targets Internet of Things and can pose risk to connected transportation equipment,  Additional description and details will be found in the cyber security discussion forum.
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  2. Rob Klug added a topic in Traffic Signals   

    Other ways to use high resolution data
    Clark County has installed 2070-1C CPU's with Trafficware firmware versions including high resolution data gathering at each of our intersections.  Each of these intersections communicates with our central system via high speed Ethernet.  We are in the process of establishing performance measures using the tools available in our ATMS system along with other information such as travel time from Bluetooth readers, permanent count stations etc.
    One comment that we receive is to the effect of "I waited forever for a green".  This is especially an issue if the citizen is driving late at night.  We have retrofitted all of our signals to include stopbar detection on all approaches so that during low volume times, we can program the signals for either short min greens on the main street, or in many cases, placing the main street into soft recall.  So when we receive a comment that someone waited a long time during the middle of the night, we want to know if this was real.
    The high resolution data can be mined for some information about delays on the side street.  The example below is for a signal that is at the exit from a County facility that includes a fueling station that the Sheriff's office uses during all hours.  One deputy called and complained that "the signal always takes forever to get out of the facility at 10:10 PM".  Now, from an engineer's, "forever" means a very long time - as in "forever".  I don't know how long the deputy thought he should wait, but it was worth looking into, especially since we have the data available, as long as we rethink some of the metrics that are in the Purdue coordination diagram.
    Here is a screen shot from our Purdue coordination diagram for a short period of time late at night from one of our signals.  The red circles show the northbound left, and the northbound thru / right lane stopbar detection actuation in relation to the beginning of the green.  This seems to indicate that there is a pretty snappy response from the signal.
     

    Here is the opposite approach (southbound stopbar detection) approaching the intersection at the same time and date.
     
    The red circles are where there was a detection and service.  The blue circles are where there was no detection, but there was a service.  The blue circles in this correspond to the northbound detection calling the phase.
     
    Note that one cycle did have a long wait, something on the order of 35 seconds or so at approximately 10:03 PM
     

     
    Here is the main street approach where both Eastbound and Westbound detection is shown, to attempt to see if there is a gap in the traffic causing the longer delay for the 10 PM car delay.
     

    Is there a problem here?  Maybe not.  It looks like there are cars on the main street (the black dots are both eastbound and westbound, so we don’t know how the gap out procedure is working in the controller when the one car had a long delay).
     
    We have looked at several instances where people report that they wait “forever” for “no cars at all on the main street”.  The high resolution data helps us understand what is happening.  Sometimes the citizen is right, sometimes, the data doesn’t support what the person is saying.  I choose not to argue with the citizen, but this helps us understand if there is a problem that we could help fix, or not.
     
    Here is another example where there was a problem we found by poking at the data.  The signal was in MAX recall on the main street, not min or soft recall, so it was holding with no cars.  It may be that we had a maintenance activity at this location, and the signal was placed in MAX recall for the maintenance, but not placed back into MIN recall.  Surprisingly, we heard about this from a citizen who went through late at night, and he contacted us on February 22.  We did a little digging, and found out he was correct.  We changed the main street to min recall yesterday afternoon, and he called the next day and was extremely happy that he could get through quickly now.
     

     
    Like I said, this isn’t the standard way of using the Purdue methodology, and I wouldn’t want to stake my reputation on it, but it is a nice way to see if maybe things that we hear from citizens are normal, or not.
     
     
     
     
     
     
     
     
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  3. eddiejcurtis added a post in a topic Automated Traffic Signal Performance Measures - Every Day Counts 4   

    Funding Implementation of Automated Traffic Signal Performance Measures (ATSPMs)
    I frequently receive questions about grant programs and the eligibility of ATSPMs for federal funding and decided to post my typical response to share the information more broadly.  
    First, lets establish that ATSPMs are an improvement to traffic signal management and operations programs and are eligible for funding under the Federal-Aid Highway Program. Obtaining Federal-Aid funds requires working through the planning process, and yes a process is involved, but this is, in fact, the most sustainable approach to gaining and sustaining the long-term support that is needed to consistently provide funding to address the needs and objectives of the organization.  I would frame this approach as the adoption of an objectives and performance-based approach to managing and operating traffic signal systems.  For information about eligibility follow this link  http://www.ops.fhwa.dot.gov/travelinfo/resources/ops_guide.htm.
    There are two Grant programs that have a number of agencies have used to successfully fund advanced traffic signal operations including adaptive control and ATSPMs:
    1.     ADVANCED TRANSPORTATION AND CONGESTION MANAGEMENT TECHNOLOGIES DEPLOYMENT
    Fiscal year
    2016
    2017
    2018
    2019
    2020
    Authorization
    $60 M
    $60 M
    $60 M
    $60 M
    $60 M

     
    2. Accelerated Innovation and Deployment Grants (AID) - https://www.fhwa.dot.gov/innovation/grants/
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  4. Ed added a topic in General Discussion   

    News regarding release of new hacking tools
    FYI everyone.  We are tracking development in the following story you may have seen in the media this morning about leaks of CIA Hacking Tools:
    https://www.washingtonpost.com/world/national-security/wikileaks-says-it-has-obtained-trove-of-cia-hacking-tools/2017/03/07/c8c50c5c-0345-11e7-b1e9-a05d3c21f7cf_story.html?utm_term=.8ef3f2a599ee
    We will be monitor development on this and posting additional information and assessment in the cyber security forum.  We will highlight any tools that we feel could translate into new vulnerabilities or increase risk to transportation devices and systems.
    Stay tuned in the CS Forum!
    -Ed
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  5. Mark Taylor added a post in a topic Automated Traffic Signal Performance Measures - Every Day Counts 4   

    So a few months ago, I was with one of my technicians in the field helping to troubleshoot a detection maxout problem that was still ongoing after several visits. While on site, I was reading through the history of the log book and came upon an entry dated August 22, 2016 at 15:50 that disturbed me. I took a picture of the entry (see below):.  It said, "Work order for phase 8 maxing out. Phase 8 running correctly. Sometimes maxing out on phases 2&6 &8 due to heavy traffic. Did observe phase 8 gapping out. Work order requires looking at phase 2&6 maxing out. Didn't see gapping out due to heavy traffic both directions. Checked advance sensors for north and south. Working great. Seeing vehicles 800 ft both directions. Re-visit maybe after dusk to see if phases 2&6 maxing out. Reset all matrix detection. Reset click 650. All working."  
    What I found disturbing was the fact that the technician said that they would MAYBE revisit after the PM peak when traffic dies down because traffic was too heavy at the time. I checked the rest of the logbook and this tech did not revisit the intersection after dusk like he said he may do. Anyhow, what bothered me more is all the work we have put into ATSPM's and this tech did not even check them as it would have told him right away the hours of the day of the  maxout problem (something that would take me 5 seconds to figure out).  I have attached the Purdue Phase Termination and you can see from the blue and red dots showing forceoffs and maxouts that the problem occurring well into the night and pretty much 24/7. 
    I fixed the problem while in the field (we had two BIU's talking to the same channel). I am embarrassed to say that this has been an issue since May 31 2016 and was not repaired until  December 20th. However, I used this example as a learning experience of always, always, always to check the ATSPM's before you respond on detector complaints as they will help know the severity of the problem and troubleshoot it much quicker than not using them. I also helped them understand that they don't need to visit the intersection at night or when traffic is light, as the ATSPM's will help them know the conditions then. 
    Use ATSPM's folks.  They will make your job easier but only if you use them.


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  6. eddiejcurtis added a topic in Traffic Signals   

    Automated Traffic Signal Performance Measures - Every Day Counts 4
    Automated Traffic Signal Performance Measures (ATSPMs) have been included in the FHWA Every Day Counts 4 Initiative.  Visit the EDC4/ATSPM website here to learn more https://www.fhwa.dot.gov/innovation/everydaycounts/edc_4/atspm.cfm 
    To view a recorded webinar that describes what ATSPMs are in the context of EDC4 and FHWA's approach to mainstreaming the use of ATSPMs nationally over the next two years follow this link https://connectdot.connectsolutions.com/p5w0i2mtnx8/?launcher=false&fcsContent=true&pbMode=normal  
    The NOCoE calendar of events will begin to be populated with upcoming workshops, presentations at professional meetings and webinars to keep you informed about what's happening with Automated Traffic Signal Performance Measures.  Stay tuned. 
    What is ATSPMs?
    Conceptually, ATSPMS are a suite of performance measures, data collection, and data analysis tools to support objectives and performance-based approach to managing the maintenance and operation activities of traffic signal programs.
    There are a number of approaches to implementing ATSPMs.  The approach selected for implementation should be consistent with the organizational capability of the agency.  For agencies with moderate to high capability a viable approach that is also cost-effective might be an open source alternative that can take advantage of existing infrastructure.  
    UDOT/ATSPM Approach - http://udottraffic.utah.gov/atspm/ 
    Utah DOT developed and is currently sharing an application that was developed in house.  the UDOT Automated Traffic Signal Performance Measures (ATSPM) application is available for download here https://www.itsforge.net/index.php/community/explore-applications#/30/129.  The OSADP site has a discussion section if you have a question related to the installation or configuration of the UDOT/ATSPM application.
    Other Approaches
    There are a number of products and services available to support the implementation of ATSPMs. In the coming weeks, FWHA will issue a Request For Information (RFI) with a set of requirements for ATSPMs.  I will share that information to provide a preliminary list of products that meet the conceptual definition of ATSPMs.
    If you would like to discuss how ATSPMs are being used to support traffic signal management, operations, maintenance or design please post that information in this forum or start a new thread.
    EDC-4_ATSPM_External_Webinar09292016.pdf
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  7. eddiejcurtis added a post in a topic Automatic Traffic Signal Performance Measures   

    The Utah DOT  Automated Traffic Signal Performance Measures Source (ATSPM) Code is now available on the FHWA Open Source Application Development Portal (OSADP).  Visit https://www.itsforge.net/index.php/community/explore-applications#/30/129  to download the Source Code.  If you are a developer or have a question related to the installation of the UDOT/ATSPM application or configuration, there is a discussion forum on the OSADP site where you can post quesitons, and participate in the discussion.  
    If you would like to discuss how ATSPMs are being used to support traffic signal management, operations, maintenance or design please post that information in this forum or start an new thread.
    Automated Traffic Signal Performance Measures (ATSPMs) have been included in the FHWA Every Day Counts 4 Initiative.  Visit the EDC4/ATSPM website here to learn more https://www.fhwa.dot.gov/innovation/everydaycounts/edc_4/atspm.cfm 
    To view a recorded webinar that describes ATSPMs as well as the the approach to mainstreaming the use of ATSPMs nationally under EDC4 over the next two years follow this link https://connectdot.connectsolutions.com/p5w0i2mtnx8/?launcher=false&fcsContent=true&pbMode=normal. 
    The NOCoE calendar of events will begin to be populated with upcoming workshops, presentations at professional meetings and webinars to keep you informed about what's happening with Automated Traffic Signal Performance Measures.  Stay tuned. 
    EDC-4_ATSPM_External_Webinar09292016.pdf
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  8. olivia.brey@atkinsglobal.com added a post in a topic We Need Your Help to Understand State of Traffic Signals   

    Thank you Dr. Lavrenz. I went ahead and send it to the listserv.
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  9. slavrenz added a post in a topic We Need Your Help to Understand State of Traffic Signals   

    Hi Olivia,
    To broaden your potential response base, might I suggest that you also send this to NOCoE's TSMO listserv (stsmo@listserv.transportationops.org)?
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  10. olivia.brey@atkinsglobal.com added a topic in Traffic Signals   

    We Need Your Help to Understand State of Traffic Signals


    To Whom It May Concern,
    On behalf of the Regional Transportation Commission (RTC) of Southern Nevada, we are developing a State of the Practice for traffic signals and transportation management. As part of this process, we are soliciting feedback from cities and other agencies to learn how agencies are managing streets and highways, the level of maturity of various strategies, and best practices. We would appreciate if you could fill out an online survey to help us understand the answers to some of these questions. In order to entice you to fill it out, we can offer the results of the survey to see how you compare to the other agencies that also participated.
    The survey can be accessed here: https://www.surveymonkey.com/r/traffic_signal_SOTP and will be open from now until Wednesday, January 11, 2017.
    Thank you for your time,

    Olivia Brey, EI 
    Engineer
    ATKINS
    Find out more about what we do and how we do it – www.atkinsglobal.com
    7604 Technology Way, Suite 400, Denver, CO 80237 | Tel: +1 (303) 221 7275 | Direct: +1 (720) 475 7062 | Cell: +1 (702) 235 2821
    Email: Olivia.Brey@atkinsglobal.com | Web: www.atkinsglobal.com | Careers: www.atkinsglobal.com/careers


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  11. Nathaniel.Price added a topic in Traffic Incident Management / Emergency Transportation Operations   

    2016 Oregon TIM Conference
    Oregon DOT, Oregon State Police and FHWA are hosting our 6th Annual Statewide TIM Conference on Sept 13th, 2016.  The conference will be held at the Oregon Public Safety Academy.
    Topics for this years conference are:
    Rogue Valley Traffic Incident Management Team: “Building Understanding, Raising Awareness, Enhancing Relationships, and Producing Results”Developing a Culture of Traffic Incident Management: A Wisconsin PerspectiveOregon’s TIM Program – Enhancing the Safety and Reliability of Our Roads Today (includes outside demonstration)OTTA – Displaying Professionalism: Advancing Oregon’s Tow Industry Through TIM StrategiesRobotic Total Measuring System (RTMS) Grant Overview & RTMS DemonstrationOur guest speakers include:
    Dan Kontos, Chief Deputy and Undersheriff at the Portage County Sheriff’s OfficeKatie Belmore Traffic Operations Engineer HNTB CorporationCome visit Oregon and attend what is sure to be a great conference.
    2016 Oregon TIM Conference.pdf
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  12. ivanovn added a post in a topic Member Survey: Ideas for Improving the NOCoE Discussion Forums   

    Here are a couple of thoughts I have regarding NOCoE forums. 
    What do you think the role of the discussion forums should be within NOCoE and the website?Discussion forums are an excellent resource because they provide an opportunity for structured discussion and knowledge exchange, which serves well the mission of the center. However, achieving that goal can be challenging if the forums are not accessible, relevant, and properly moderated, especially given that most participants in these forums are volunteers. The end goal of the forums should be to provide valuable information and lead to more formal outputs (white papers, research and implementation opportunities, etc.) 
    Do you currently use the discussion forums regularly (i.e., at least once per month)?No. 
    If not, what are some of the biggest reasons for not participating?There are several reasons for me not using forums regularly:
    I tend to forget to check the forums for updates. If there was a way to receive an email with full text of each forum post (at least as a custom setting) then I would receive notifications that would draw me back to the site and the forum. Similarly, there are other knowledge sharing venues that do a better job of keeping me updates. For example, LinkedIn has a number of relevant groups that I am a member of and which lead similar discussions that get summarized or sent to my email. I tend to look at those first, before thinking of the NOCoE.If so, what are some of the biggest value-adds that you see with the current system?Focused and specialized on operations. No individual LinkedIn group encompasses the expertise available from members of this site. However, a combination of LinkedIn groups and notifications currently presents a strong competition to NOCoE website. 
    Do you feel that the ability to create new threads for the forum via email would significantly increase your level of participation?Yes. But more importantly seeing the threads in the email and being able to reply would be helpful. Is that capability already available and I just missed it?
    Are there specific things that can be done with the forums to better mesh with your existing workflow?Closer email integration.
    Are there certain discussion topics that you feel are current missing in the forums? Or conversely, are there certain existing topics that you don't feel are appropriate?I need to spend some more time on the forums to better answer this question.
    Keep up the good work!
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  13. PeteJenior added a post in a topic NOCoE Part-Time Shoulder Use Webinar Q&A   

    Regarding the question on truck climbing/passing lanes:
    We are aware of several instances of states allowing slow-moving trucks to use shoulders on long grades, but use is typically permitted at all hours of the day so it is not “part-time”
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  14. JimHunt added a post in a topic NOCoE Part-Time Shoulder Use Webinar Q&A   

    Regarding question 6 on colored pavement, currently the MUTCD recognizes colored pavement in a couple of instances (e.g. Green for bike lanes and Red for bus lanes that are open to buses full time). There is no designated color for part time shoulder use and using any plan to use colored pavement would require a request to experiment. 
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  15. JimHunt added a post in a topic NOCoE Part-Time Shoulder Use Webinar Q&A   

    Regarding Question 5 on First Responders, there are a couple of facets to this issue:
    Collaboration with police and other emergency responders is fundamental to success.
    Emergency turn off areas should be installed, ideally every half mile or so.
    Under and ATM scenario, the ability to close the shoulder lane and merge traffic into the GP lanes could mitigate the response challenges.
    If all else fails, EM vehicles will split the traffic or in some cases may respond from the opposite direction.
    To the extent that part-time shoulder use smooths flow and crashes can be reduced, it might make things overall better from a response standpoint.
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  16. Brad Freeze added a post in a topic NOCoE Part-Time Shoulder Use Webinar Q&A   

    CDOT-Part Time Shoulder Use.pptx
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  17. Brad Freeze added a topic in General Discussion   

    NOCoE Part-Time Shoulder Use Webinar Q&A
    On July 14, 2016, the NOCoE hosted a Webinar on the practice of Part-Time Shoulder Use. The Webinar provided an overview of the recently published FHWA Part-Time Shoulder Use Guidebook, and peer state program examples from the Virginia  and Colorado DOT. The panelist for the webinar included the following:
    Jim Hunt, FHWA Office of OperationsPete Jenior, Kittelson & Associates, Inc.Dean Gustafson, VDOT, State Operations EngineerRyan Rice, CDOT, Director of the Division of TSM&OSan Lee, CDOT, TSM&O Programs and Policy ManagerThis discussion thread was started to help facilitate further questions and conversation on the information presented by the panelist. So far the following questions have been submitted:
    To All:  What is the most common criteria for activating dynamic shoulder use?To VDOT: Do you get a lot of vehicles riding in the shoulder lane when the red X is displaying on the dynamic sign?To CDOT: Was your I-70 traffic analysis only for Sunday, which was able to trigger the value in initiating project development?To All:Why has different pavement been discouraged if it seems to be advantageous?To All: Since First responders normally rely on the shoulder to expedite their access to traffic incidents, what accommodations might be made for them if a shoulder is not available because it is being used as a live traffic lane?To CDOT:  I understand the Hard SHoulder Running project was tied to a reversible lane. The improvement charts and figures that you should indicate improvement only for Hard SHoulder Running implementation or for that combined with the reversible lane?To All: Any guidance on use of shoulders as a truck passing or climbing lane, especially when traffic volumes and truck traffic percentages are high? 
     
     
     
    Shoulder Use Guidance-NOCoE_jth.pptx
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  18. slavrenz added a topic in General Discussion   

    Member Survey: Ideas for Improving the NOCoE Discussion Forums
    All,
    NOCoE is in the midst of developing some changes to its discussion forums, in order to encourage greater participation from our membership. As part of this process, I would like to solicit feedback directly from the TSMO community, to further refine our development efforts and focus our resources. I would appreciate it if you would give some thought to the following questions:
    What do you think the role of the discussion forums should be within NOCoE and the website?Do you currently use the discussion forums regularly (i.e., at least once per month)?If not, what are some of the biggest reasons for not participating?If so, what are some of the biggest value-adds that you see with the current system?Do you feel that the ability to create new threads for the forum via email would significantly increase your level of participation?Are there specific things that can be done with the forums to better mesh with your existing workflow?Are there certain discussion topics that you feel are current missing in the forums? Or conversely, are there certain existing topics that you don't feel are appropriate?You can either post your responses/thoughts here, or email them to me directly at slavrenz@transportationops.org. Thank you in advance for helping us to better engage the TSMO community!
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  19. Nathaniel.Price added a topic in Traffic Incident Management / Emergency Transportation Operations   

    Towing Policy
    The Oregon DOT and Oregon State Police are working on updating their Oregon Towing Laws.  We are looking for states that might have recently gone through reforming their tow policies and laws.  We are primarily looking for general tow regulations and policies, as opposed to heavy tow incentive programs.  We are looking for best practices, lessons learned, etc.  Also if you have a good contact at the State DOT or State Police that I could pass along to our TIM Coordinators at ODOT and OSP to follow up with them, that would be great.


    Thanks.
    Nathaniel Price
     
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  20. slavrenz added a post in a topic June 30th Webinar: 5.9 GHz Wireless Spectrum for Vehicle/Infrastructure Applications: Overview & Review of Proposed FCC Rulemaking   

    Also, here is a link back to the materials from the webinar, which includes a link to the original FCC NPRM:
    http://www.transportationops.org/ondemand-learning/webinar-materials-59-ghz-wireless-spectrum-vehicle-infrastructure-applications
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  21. slavrenz added a topic in V2I Deployment Coalition   

    June 30th Webinar: 5.9 GHz Wireless Spectrum for Vehicle/Infrastructure Applications: Overview & Review of Proposed FCC Rulemaking
    Based on the NOCoE webinar being held today on this topic, I would like for this webspace to serve as an additional forum for individuals to post questions related to 5.9 GHz spectrum sharing for CV/AVs, and the related FCC NPRM.
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  22. slavrenz added a topic in Traffic Signals   

    UDOT SPM Source Code - Transition to Open Source this fall
    I am posting this information about UDOT's SPM software on behalf of Mark Taylor (marktaylor@utah.gov) at UDOT:
    UDOT is currently working with the FHWA to transition the hosting of the SPM software (http://udottraffic.utah.gov/signalperformancemetrics/) to the FWHA Open Source Application Development Portal (OSADP) http://www.itsforge.net/ sometime this fall (around October).  The rationale behind this transition is to have the development of the source code be shared by all who wish to contribute. There are several other benefits, including additional support, updates, training, version management, transparent application development, collaborative development, forums for discussions on applications, and documentation.   We are confident that the OSADP will make the SPM's a better product and help ensure long-term sustainability for all entities using it. 
     
    In the meantime, UDOT's software developers have been busy overhauling the SPM source code so it is ready for the OSADP this fall.  They are currently working on some of the following activities:
    Moving the source code to current technology (i.e. Entity Framework & MVC/Bootstrap).  This will provide some of the following benefits:Improve securityImprove ADA complianceResponsive design (i.e. facilitates laptops, mobile devices, all screen sizes)Installations and upgrades will be much easier.  Installation time will be cut from a full day to just a few hours (less time for upgrades)Improving the code design.Creating sufficient documentation that describe the website functions, source code and installation process (thanks to GDOT's help on this).We look forward to OSADP this fall and hope the upcoming changes will improve the process for everyone.
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  23. Lisa Vieth added a topic in Traffic Incident Management / Emergency Transportation Operations   

    Commercial Motor Vehicles in TIMA
    In Missouri we have been seeing an increase in CMV not responding to Incident Management signs on our Interstates.  Trucks are not slowing down and/or moving over creating some very serious scene safety concerns.
     
    Feedback from responders, staff and law enforcement points to the increase in non-English speaking drivers not being able to read, interpret and understand the signing.
     
    Another factor we believe may be leading to the problem is sign placement and height.  We currently use roll-up signing on portable sign stands. 
     
    Our question is:  What are other states doing to get the attention and appropriate response from the Commercial Motor Vehicle traffic, especially considering the influx of non-English speaking drivers?
     
    Any best practices, products, or traffic control plans would greatly be appreciated.
     
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  24. Strimmer added a post in a topic April 6th Webinar: DVRPC / NJDOT Complete Team Initiative   

    For those who were not able to make this webinar, you can find a link the recording here - http://transops.s3.amazonaws.com/uploaded_files/2016-04-06 14.02 DVRPC _ NJDOT Complete Team Initiative (NOCOE MPO Series).mp4
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  25. Strimmer added a topic in Planning for Operations   

    April 22nd Webinar: Performance Measurement And Monitoring In TSM&O - Current Practice And Future Developments
    On April 22nd NOCoE will be hosting a webinar entitled Performance Measurement And Monitoring In TSM&O - Current Practice And Future Developments. This webinar will feature presentations by: Aleks Stevanovic from Florida Atlantic University, and Michael Pack from CATT Laboratory. The webinar will focus on the presenters findings and opinions from research such as NCHRP 20-07(366), led by Aleks Stevanovic for AASHTO’s Standing Committee on Highways with support from the NCHRP. Further the presenters will discuss what we should anticipate in the near future and where we are heading.
    Further information on this webinar can be found here: http://www.transportationops.org/event/performance-measurement-and-monitoring-tsmo-current-practice-and-future-developments
    To keep the conversation going after the webinar I encourage you to post your questions, comments, or anecdotal experience here. Following the webinar I will also include a link to the recording as well as the presenters power point presentations in this forum.
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