660.117—Funding, records and accounting.
(a)
The Federal share of funding for eligible FH projects may be any amount up to and including 100 percent. A cooperator may participate in the cost of project development and construction, but participation shall not be required.
(c)
Funds for FHs may be made available for the following transportation-related improvement purposes which are generally part of a transportation construction project:
(6)
Construction and reconstruction of roadside rest areas including sanitary and water facilities; and
(e)
Cooperators which administer construction of FH projects shall maintain their FH records according to 49 CFR part 18.
(f)
Funds provided to the FHWA by a cooperator should be received in advance of construction procurement unless otherwise specified in a project agreement.