This video contains tutorial to perform network analysis in ArcGIS using network analyst extension, starting from building a network dataset, best route analyis, traveling salesman problem, closest facilty, and service area analysis.

Link to sample data:
https://drive.google.com/file/d/1e9mE...

Video Chapters
00:00 Opening
03:51 Building a network dataset
09:50 Best route analysis
19:50 Viewing driving direction
20:39 Adding a barrier
21:47 Traveling Salesman Problem
25:32 Closest facility analysis
30:53 Service area analysis