The Work Zone Data Initiative (WZDI) was created to gather best practices, educate practitioners, and move everyone to more standardized methods of data collection and analysis for work zones. This has included the development of a data dictionary, standard data elements and formats, and much more. The FHWA Work Zone Management Program recently published their quarterly newsletter detailing the progress made in this area. Learn more HERE.
Download the Work Zone Activity Data Needs & Opportunities report HERE.
This report was produced by Jerry Ullman and Melisa Finley of TTI. It looks at the benefits we can expect from more consistent data collection. In particular, local and state agencies, private data consumers, and contractors will all be able to compare projects, work zone impact mitigation strategies, and work zone design to find the safest, most efficient methods in any given situation. The benefits will be significant.
But there are many challenges as well. Currently work zone data collection in inconsistent due both to varying practices from one agency to the next and to a lack of funding. Getting to the point where everyone collects data on all work zones and in the same format will be a formidable undertaking.
And the richness of the data will make it even more complex. Consider the proposed elements for just this one item:
This will not be easy. But the rewards in reduced crashes and improved operational efficiency demand that we move forward. Perhaps we might start with a few “standard” elements such as location, dates, and measures of the temporary reductions in capacity as a way of demonstrating what can be done. Once consumers of this data get a taste, they will demand additional elements. And it will then be much easier to cost justify the effort.
In the Spring Edition of the FHWA Work Zone Management Program newsletter, they included a notice saying the FHWA Work Zone Data Initiative is looking for state agencies willing to use the Initiative’s new work zone data framework to collect, process and share data.
This initiative is important for a number of reasons, but primarily because until we have a national standard saying what data should be collected and how it should be stored and shared, we will not be able to compare work zone safety and efficiency from state to state. Every state truly is different, but by opening these doors each state will be able to learn what they do especially well, and where they might improve.
Todd Peterson is the FHWA manager for this project and we encourage states to talk with him to learn more about this effort and how they might get involved. But let’s take this a step further.
If you are a state agency who is already working with Connected Work Zone systems please, PLEASE get involved in the initiative. The Work Zone Data Initiative is working to identify what data should be collected. If you are already working with Connected Work Zones you have a wealth of data at your fingertips. And if you have been doing it very long, you already have a good idea of what is valuable and what is less so.
Most states don’t know what is available. They have their own databases and not much else. So, we need your participation to be sure those types of data are included. You also have some experience with the format or formats for that data, and you may be able to offer good advice on the best one for this application.
This effort has been many years in the making. It would be a shame if it is done without your help. We might even have to scrap this new framework and start over if we don’t get it right the first time. Call or write Todd Peterson today. And learn more about the Work Zone Data Initiative by clicking on the links.
We in the work zone traffic control world and specifically the work zone ITS world have long wrestled with how best to gather and evaluate work zone data. This has been a topic of discussion at conferences, peer-to-peer exchanges, and in DOTs nationwide. These systems are now providing a great deal of data and the FHWA feels it is time we settled on a standard approach to that data. In response, they have launched the Work Zone Data Initiative (WZDI).
The stated goals of the initiative are:
“To develop a recommended practice for managing work zone data.” And to “create a consistent language for communicating information on work zone activity across jurisdictional and organizational boundaries.”
They are working to develop a specification for work zone data that supports DOT efforts throughout the project and also allows some sort of standardized evaluation and comparison once that project is complete. They want the data to become more useful for project planning, for real-time traffic operations, and for post project analytics.
This is something our industry must be involved in. Please let us know if you are. But if you are not, please contact Todd Peterson, FHWA Work Zone Management Team Transportation Specialist to express your interest. His email address is Todd.Peterson@dot.gov .
USDOT has also announced a competition on Advancing Innovative Ways to Analyze Crash Data. They point out that most crash data (as well as work zone data) is siloed and made available only on an annual basis. By opening those sources of data up, DOT hopes to take advantage of new tools such as machine learning (see 4/10/17 post) to gain insights on ways we can reduce roadway fatalities.
This effort is not work zone specific, but could result in improvements that our past state and project specific analysis was unable to find.