Signal4 Lab

FAQ

AccountRecord SearchEvent AnalysisDashboardGeneral

Account Questions

Q1. How do I reset my password or username?

Answer pending

Q2. How do I request access to Signal4 Analytics?

You can request access to Signal4 Analytics by going to the person icon on the right-hand side of the application and selecting request an account or you can request an account through this link.

For more information see this document or watch this short video. 

Q3. How do I as a Consultant/Vendor request access to Signal4 Analytics? (If my contract is not with FDOT)

You can request access to Signal4 Analytics as a Consultant/Vendor by going to the person icon on the right-hand side of the application and selecting request an account or you can request an account through this link.

The project manager from the public agency needs to submit the account request for consultants/vendors and to select the “I am a public agency project manager requesting an account for a consultant” option. 

Q4. Can you explain the account request process?

You can request access to Signal4 Analytics as a Consultant/Vendor by going to the person icon on the right-hand side of the application and selecting request an account or you can request an account through this link. The “Request an Account” dialogue will assist in determining if you are eligible for an account with Signal4 Analytics.  

Each new agency will be reviewed and approved by the Florida Highway Safety and Motor Vehicles (FLHSMV) for creation.  

Each existing agency has a designated User Manager(s), that will receive notification (within 24 hours) and will have each new user request for their agency pending in a request queue for their review. The User Manager is responsible for either approving or rejecting (with a small explanation) each request.  

Consultant approval is done by the Florida Department of Transportation (FDOT) or FLHSMV depending on the contract. Usually, it can take up to 2-3 business days for FDOT or FLHSMV to review the consultant account request. 

Q5. How do I make changes in User Management in the current Signal4 application?

If you are the designated User Manager, you can click the User Management option upon login and perform several functions. As a User Manager, you can approve or reject requests within the user request queue. You can also sort, filter, and export users. You can disable users by unselecting the account active box.  See the screenshot below for an example: 

For more information on the functionality of user manager activity watch this short video.

Q6. What are the options behind the login?

Several tabs require access outside of the public-facing dashboard. The additional options include event analysis, network screening, crash record search, standard reports, police report search and the FDOT Geolocation (for FDOT only). For more information on the functionality of these options watch this short video. 

Record Search Questions

Q7. How do I download crash reports?

Downloading a crash report requires a login, once you login to Signal4 Analytics you can go to the tab entitled Record Search. By using either the HSMV Report # or Agency Report # you can download crash reports. You can also use either a .txt file or a .csv. For more information watch this video. 

Q8. What is driving the limitation of 100 crashes per download?

This limitation has to do with image sent to us by FLHSMV.  This is a temporary issue and we are working to resolve it soon.  

Q9. How do I download GIS data-mapped crashes?

In order to download the data in GIS geolocation format, follow these steps:  

  1. Select Your Data: Search the required data.  
  2. Initiate the Download: Click the ‘Download’ button, located at the bottom left area.
  3. Choose the Download Format: Select ‘GIS Geolocation (ESRI Geodatabase)’ from the list of available formats. 
  4. Specify the Type of Data: Decide whether you need just the geolocation data or both geolocation and crash event details. 
  5. Check the appropriate box: either ‘Geolocation Only’ or ‘Geolocation & Crash Event’. 

For more information see this document or watch this video.  

Q10. How do I export the data -attribute table out of ArcGIS Pro?

Please see guide on ArcGIS Pro data export through this link.

Event Analysis Questions

Q11. What is the format of the data download and how do you receive the download? (Video)

After you request for a download, a download link will be sent to you via email from the s4-support@ufl.edu email address. The format of the data download can be selected before you download it. See the screenshots below for an example.

Email example you would receive:

You click on the click here to download the data; data will be downloadable via zip file:

The readme file will explain the download, the data folders, the query parameters, and the files downloaded (to include count). The folders will have the appropriate .csv files with crash data/crash reports/mapped GIS files that the user requested.

For more information, watch this short video.

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Q12. Does it include PDO (Property Damage Only)?
Answer

Crash Severity follows crash report: Fatal, Incapacitating Injury, Non-Incapacitating Injury, Possible Injury, No Injury

Q13. How can I display top N intersections in Signal 4? (video)
Answer

Top intersections can be found in the Network Analysis feature. You can go to Network Analysis and in the network feature tab, you can select top 5, 10, 25 and all crashes in the show option. See the screenshots below for an example:

Q14. Where is the total located?
Answer

Total number of crashes is located on the bottom right-hand side, under the data grid. See the screenshot below for an example.

Q15. Will the maps and graphs be exportable? (Video)
Answer

You can download the charts/graphs in jpeg, png, and pdf format. You can go to the charting option in the top-right corner and select the three-line tab at the top right corner of each chart to see the export options. See the screenshots below for an example:

We still don’t have the export map function available in Signal 4 and don’t have a timeline for it. To export the map, minimize the data grid, chart, open map legend, and take a screen capture of the map. See the screenshots below for an example:

For more information see this document or watch this short video.

Q16. Where does the 25-foot offset distance measure from (at the intersections)?
Answer

The 25-foot offset distance is measured from the center of the intersection.

Q17. What do the purple dots mean?
Answer

Multipoint multiple crashes in the same location.

Q18.  Will the ArcGIS exports be updated so that the Data Dictionary fields will include address and zip code data? The prior version of S4A used a variation of the Event export which provided address (though not zip codes), but the new one has very limited fields; pretty much point data by lat/long only.
Answer

S4 Analytics has mapped crash data, please see the data dictionary for elements. Zip codes are not a field on the crash report.

Q19. In the result screen, can you move the results part of the screen to the top and not see the map? 
Answer

The data grid moves up and down with the arrow button at the top of the data grid. But you can only move the data grid up to the center of the screen, not to the top. You can scroll through the data grid to see the full data and download them. On the other hand, you can move the data grid down and have the map visible on the whole screen.  See the screenshots below for an example:

Q20. Does it matter which road is first for the intersection?
Answer

No, you can select either roadway.

Q21. When will we be able to save queries?
Answer

The ability to save custom areas is added. Saved queries have not yet been added. We are working to add them soon.

Q22. When you search crashes by roadway segments, what is the buffer used for the access points, side streets, and driveway connections?
Answer

There is no buffer used there but if you want all crashes, it is suggested use the custom network tool instead the search network. In this way, it shows all the crashes including the ones in the cross sections.

Q23. What happens if you don’t select specific circumstances?
Answer

If you don’t select specific circumstances the default selection for the Date Range would be a past week and the Geographic location would be the State of Florida.

Q24. Is the PBCAT crash typing data included and up to date?
Answer

Yes, in the PBCAT the crash typing data is included and up-to-date for pedestrian and bicycle path crashes. You just need to select the pedestrian typing and bicycle typing option when you go to data download as shown in the following screenshot:

Also, currently, we’re planning to migrate to PBCAT-3 and in the future, all the bike path crashes are expected to have a PBCAT-3 crash type.

Q25. Can you select a street segment only (not the entire street) (Video)?
Answer

Yes, you can select a street segment through a custom network option in event analysis and network analysis. For more information, watch this video.

Q26. For the intersection selection, black points appear on the map for the intersections. Is it possible to select the points, or do you have to type in the intersecting roadways?
Answer

You can use either feature to filter for intersections.

Dashboard Questions

Answer
Test answer 4.

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General Questions

Mapping Questions

Answer

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Exporting or Downloading Questions

Answer

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Data or Data Governance Questions

Answer

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Other Questions

Answer

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FDOT Related Questions

Answer

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