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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

General

Legacy ID
21

N 4520.278

Notice
Subject
DISTRIBUTION OF FEDERAL-AID HIGHWAY PROGRAM OBLIGATION LIMITATION FOR FISCAL YEAR (FY) 2023
Classification Code

N 4540.12

Notice
Subject
Sliding Scale Rates In Public Land States - Rates Effective March 17, 1992
Classification CodeDate 
N 4540.12March 17, 1992 

N 4520.219

Notice
Subject
Revised Federal-Aid Highway Program Obligation Authority – Fiscal Year (FY) 2012
Classification CodeDateOffice of Primary Interest
N 4520.219August 24, 2012

N 4520.213

Notice
Subject
Revised Federal-aid Highway Program Obligation Authority - Fiscal Year (FY) 2010
Classification Code

N 4520.191

Notice
Subject
FEDERAL-AID HIGHWAY PROGRAM OBLIGATIONS FISCAL YEAR (FY) 2007
Classification CodeDateOffice of Primary Interest
N 4520.191March 19, 2007HCFB-1

N 4520.223

Notice
Subject
Revised Distribution of Federal-Aid Highway Program Obligation Limitation for Fiscal Year (FY) 2013
Classification

N 4520.224

Notice
Subject
Federal-Aid Highway Program Obligation Authority Limitation – Fiscal Year (FY) 2013 Redistribution after August 1, 2013 (August Redistribution)

N 4520.254

Notice
Subject
Federal-Aid Highway Program Obligation Limitation - Fiscal Year 2018 Redistribution after August 1, 2018 (August Redistribution)

N 4520.214

Notice
Subject
Revised Federal-aid Highway Program Obligation Authority - Fiscal Year (FY) 2011
Classification Code