These funds were approved to fulfill the intent of the AASHTO Standing Committee on Highway's resolution "Direction on Flexibility in Design Standards." $100,000 in 20-07 funds were obligated along with $100,000 in 20-24 funds. The work has been divided in subtasks.
- Task 398A. $20,000 was added to the NCHRP 20-07/Task 394 contract to increase the focus on flexibility in Chapter 1 of the next edition of the Green Book (published in 2018).
- Task 398B. $100,000 was contracted to MRIGlobal to do the technical editing for the next edition of the Green Book (published in 2018).
- Task 398C. $30,000 to fund an additional meeting of the AASHTO Technical Committee on Geometric Design so that they can meet the development schedule and fulfill the intent of the resolution (complete).
- Task 398D. $50,000 in reserve, likely to be used for educational materials for executives and practitioners.