EPA Proposes to Retain the Ozone Standard

On July 13, 2020, EPA proposed to retain, without changes, the National Ambient Air Quality Standards for ozone. Please use the link below to read the pre-publication version of the proposal and a summary fact sheet. EPA will accept comment on this proposed decision for 45 days after it is published in the Federal Register.


BTS Pocket Guide to Transportation (2016 Edition)

The BTS Pocket Guide to Transportation has been published for 2016, attached is the latest version (and the web-link to the source document).  The brochure, prepared annually, provides vital transportation, air quality, and freight-related statistics for the U.S. and is a good source of information for the transport sector.

The PDF brochure is available below:


FHWA: Air Quality and Climate Change Highlights—August-September 2015 Issue

The August-September 2015 Highlights provides the latest news and information on transportation related air quality and climate change activities, including information on transportation conformity, sustainability, and other related activities.

Items of interest in this issue include:

  • The newly posted FAQs that provide technical assistance on how FHWA recommends project sponsors use MOVES for NEPA MSAT quantitative analysis
  • The U.S. EPA proposed 2008 Ozone Rule Making for Marginal Areas
  • Transportation Secretary Anthony Foxx Comments on Administration’s climate change resilience efforts

Air Quality and Climate Change Highlights—August-September 2015 Issue (PDF)