Categories News IDOT Circular Letters Post author By Planning Liaison Post date August 24, 2017 Illinois Department of Transportation (IDOT) recently released the following circular letters: Federal Notice of Funding Opportunity – CL2017-20 Grant Accountability and Transparency Act – CL2017-19 Load Ratings for Local Public Agency Structures – CL2017-16 Updated Structural Services Manual – CL2017-15 Special Provisions for Local Lettings – CL2017-14 ← Upcoming Webinars → Planning Liaison’s Last Day