40:01

Field 1 - Work Zone Safety

33:53

Field 1 - Chapter 6 Mat Problems

20:45

Field 1 - Chapter 2a Surface Preparations

23:52

Field 1 - Chapter 3 Mix Delivery

25:59

FAA Aviation Workforce Grants Webinar

30:11

Field 2 - Chapter 3b Density Testing Roller Patterns

57:33

Field 2 - Chapter 2 Inspection and Quality Assurance

23:43

Field 1 - Chapter 2c Tacking Operations