23 C.F.R. Appendix F to Part 1200
(b) Terms.
Direct costs are those costs identified specifically with a particular planning and administration activity or project. The salary of an accountant on the State Highway Safety Agency staff is an example of a direct cost attributable to P&A. The salary of a DWI (Driving While Intoxicated) enforcement officer is an example of direct cost attributable to a project.
Indirect costs are those costs (1) incurred for a common or joint purpose benefiting more than one cost objective within a governmental unit and (2) not readily assignable to the project specifically benefited. For example, centralized support services such as personnel, procurement, and budgeting would be indirect costs.
Planning and administration (P&A) costs are those direct and indirect costs that are attributable to the management of the Highway Safety Agency. Such costs could include salaries, related personnel benefits, travel expenses, and rental costs specific to the Highway Safety Agency.
Program management costs are those costs attributable to a program area (e.g., salary and travel expenses of an impaired driving program manager/coordinator of a State Highway Safety Agency).
(c) Procedures.
(2) A State at its option may allocate salary and related costs of State highway safety agency employees to one of the following: