23 CFR § 1300.12
Due date for submission
May 21, 2020
(a) A State shall submit its Highway Safety Plan electronically to NHTSA no later than 11:59 p.m. EDT on July 1 preceding the fiscal year to which the HSP applies.
(b) Failure to meet this deadline may result in delayed approval and funding of a State's Section 402 grant or disqualification from receiving a Section 405 or racial profiling data collection grant.