Skip navigation
All Places > Departments of Transportation > Blog > 2016 > May

My good friend Jim Mitchell of LADOTD, Louisiana Department of Transportation and Development, put a request in to the ideas site at Esri for adding LRS capabilities to ArcGIS Online.  I am hoping that many of you read this and choose to support his effort to have this critical transportation functionality made part of ArcGIS Online.


ArcGIS Idea - Add Linear Referencing Support to ArcGIS Online 


Click on the above link to get to the request and add your vote and opinion on adding this functionality to ArcGIS Online.

Roads and Highways events in the geodatabase are stored as feature classes. What if you want to add attachments for things like field inspections for R&H events? You can do this but it isn’t as easy as just adding attachments to the event feature class. Since you are likely going to want to store additional attributes with the inspection, attachments alone wouldn’t work anyway.


First, the bad news. ArcGIS Server doesn’t support editing feature classes with measures. ArcGIS Server also blocks you from editing attachments on any M-enabled feature classes. Since all R&H events are M-enabled, you can’t edit any R&H events directly through ArcGIS Server. So that makes it impossible to edit R&H events or their attachments in Collector for ArcGIS.  I know, this makes me sad too.


But don’t worry, there is another good solution. It turns out that ArcGIS Server will allow you to edit related features or records for an M-enabled feature class. So instead of creating the attachments right off the event, create a point feature class and related it through a GlobalID with the event. Then enable attachments on that point feature class.


This works great in Collector. Consider a scenario where you want to store inspections for guard rail. The related points are the location where the inspector did her work and you can attach as many pictures as you want to that inspection point. If you don’t want to store the location of the inspection you can relate a table to the event instead of a point feature class. With the related table you would store all the inspection information for the entire guard rail instead of a specific location along that guard rail.


Back in the shop you can view that related data in ArcMap or ArcGIS Pro.


Now go forth and relate tables and feature classes to your Roads and Highways events!

Over the last three years the Esri Transportation Practice has worked closely with a number of DOT’s to help
promote ideas and develop solutions that streamline the early phases of Transportation project submission and screening.  This is one of the simplest areas where maps and geospatial analysis can significantly improve the planning process; by helping planners and designers develop better scopes of work for projects, estimate more accurate construction costs, enhance early environmental coordination and risk mitigation, and streamline permitting.  Originally developed in partnership with MassDOT, the MassDOT Project Planning System (MaPPS) for a project development tool provides a user friendly web-based mapping application supporting the following primary workflows:

  • Planning: Online project need and initiation using map-centric approach
  • Analysis: Planning-phase environmental, safety and vulnerability screening
  • Reporting: Design and analysis recommendations for scopes of work & initial construction estimates
  • Coordination: Planning phase agency review/commenting and sharing

Esri continues to expand the application into other areas including integration with the Esri Roads and Highways Solution, bicycle and pedestrian project screening workflows and email notifications.  This has been made possible because the application is based on the Web AppBuilder for ArcGIS technology that provides a foundation for building web applications within ArcGIS.  Esri’s Transportation Practice uses Web AppBuilder for ArcGIS extensively to enable rapid deployment of intuitive and focused apps leveraging ready-to-use widgets and customizing the look of apps using configurable themes.

If you would like to see a demonstration of the Transportation Project Submission and Screening application or other applications using the Web AppBuilder for ArcGIS technology, please contact Keith King at or (704) 771-4494.