GEOG 497C
GIS for Transportation: Principles, Data and Applications

5.6 Summary of Lesson 5

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In this lesson, we learned about network analysis and the broad set of transportation problems it can be used to address. We examined how network analysis is implemented in ESRI's Network Analyst extension to ArcMap and examined the 6 categories of network analysis or solvers which it provides. In addition, you had the chance to get some hands-on experience with a few of the solvers. You will have additional opportunities to apply these tools in upcoming lessons as well.

Our transportation organizations of the week were state DOTs. We reviewed some the key functions these organizations perform and looked at how their roles have changed over the past century. You also explored a state DOT of your choice and became familiar with an example of how they use spatial technologies.

In our weekly webinar we had the chance to interact with Mr. Frank DeSendi, the Manager of PennDOT's Geographic Information Division, and review how PennDOT utilizes spatial technology to help them identify potential impacts a transportation project could have on the environment.

In preparation for next week's webinar, we learned a bit about LRSs and dynamic segmentation, important topics in GIS-T which we will cover in more detail in next week's lesson. Finally, you had the opportunity to get to know one of your classmates a little better and share some of your ideas and questions about this week's lesson materials.

Questions and Comments

If there is anything in the Lesson 5 materials about which you would like to ask a question or provide a comment, submit a posting to the Lesson 5 Questions and Comments discussion in Canvas. Also, review others' postings to this discussion and respond if you have something to offer or if you are able to help.