In April 2018, the Federal Highway Administration released a memorandum on Interim Guidance on Conformity Requirements for the 1997 Ozone NAAQS. This guidance provides important information regarding transportation conformity requirements for certain pending planning and project development actions in programs administered by the Federal Highway Administration (FHWA) and the Federal Transit Administration (FTA).
Read the memorandum dated April 23, 2018 for more details.
