Army Corps of Engineers
& MD Dept. of the Environment Permits
Comments by 52 State Legislators
Comments by Prince George's County Councilmembers
Comments by Mayors in Prince George's County
Comments by City of Rockville
Comments by CABE & DontWiden270.org
Comments by 27 advocacy organizations
Comments by NOVA Citizens Association
I-495/I-270 P3 Supplemental Draft Environmental Impact Statement
Letter from 32 Groups to US Secretary Buttigieg, Urging Him to Reject the Toll Lanes
Selected Findings and Deficiencies in the Supplemental Draft Environmental Impact Statement (SDEIS) for the I-495/I-270 Toll Lanes
November 18, 2021
CABE Comments to MDOT on the SDEIS
Comments by Maryland Sierra Club, City of Rockville and 49 Groups
Maryland-National Capital Park and Planning Commission Comments
Members of Maryland General Assembly District 17 Delegation Comments
I-495/I-270 Expansion Draft Environmental Impact Statement, Public Comments
Letter from U.S. Rep. Anthony Brown (D-MD-4) to U.S. Dept. of Transportation, raising concerns about toll lanes
April 2, 2021
Montgomery County DEIS Comment
November 9, 2020
Prince Georges County DEIS Comments
October 28, 2020
Maryland National Capital Park and Planning Commission Comments on DEIS and Joint Federal Wetlands Permit
November 9, 2020
Maryland General Assembly Member Letter on Draft EIS
September 23, 2020
Citizens Against Beltway Expansion DEIS Comment
November 9, 2020
Maryland Sierra Club, CABE, Coalition Joint DEIS Comments
(Read the press release here.)
November 9, 2020
U.S. Department of the Navy (Naval Support Activity Center)
November 4, 2020
Technical Review of I-495/I-270 Managed Lane Study, Smart Mobility Inc., October 2020
Washington Biologist's Field Club: P3 plan violates deed on Plummers Island preserve, November 6, 2020
MDOT Hearing Transcripts: August - October
Click here to read the I-495/I-270
Draft Environmental Impact Statement
MDOT: P3 Project Documents
December 18 MDOT Request for Proposals
Volume I - Instructions to Proposers (ITP)
Volume II - Phase I P3 Agreement
MDOT I-495/I-270 Managed Lanes Update to Maryland Transportation Authority
December 17, 2020
Revised MDOT I-495/I-270 Managed Lanes Transaction Summary
March 2020
MDOT I-495/I-270 P3 Amendments
December 4, 2019
Maryland General Assembly: Reports, Statements
Maryland General Assembly Letter Slams I-495/I-270 draft Environmental Impact Statement, September 23, 2020
MD. House Transportation Leaders Letter Demand MDOT Protect Taxpayers from Repeat of Purple Line P3 Financial Crisis
June 22, 2020
Maryland-National Capital Parks and Planning Commission Resources
M-NCPPC Testimony on SB 843, MDOT P3 Promises Act to MD Senate Budget and Taxation Committee
February 24, 2021
M-NCPPC Recommendations on I-495/I-270 Wetlands Permits Application
October 19, 2020
National Capital Planning Commission Analysis of I-495/I-1270 Draft Environmental Impact Statement
October 1, 2020
Maryland National Capital Park and Planning Commission Analysis of I-495/I-270 Draft Environmental Impact Statement
July 15, 2020
Maryland National Capital Park and Planning Commission Slide Presentation of I-495/I-270 Draft Environmental Impact Statement
July 15, 2020
June 12, 2019
Appendix to M-NCPPC Letter of Non-Concurrence
June 12, 2019
Montgomery & Prince George's Counties Documents
Montgomery County Comment on I-495/1-270 Draft Environmental Impact Statement, November 9, 2020
Prince George's County Council Comment on I-495/I-270 Draft Environmental Impact Statement
October 28, 2020
Four Cities Coalition letter demands 30-day extension to draft environmental impact comment period
July 27, 2020
Montgomery, Prince George's Council Letter Rejects WSSC Rate Hike for I-495/I-270 Construction Costs
May 14, 2020
Montgomery County Letter Clarifies Regional Plan to MDOT
October 23, 2019
Transportation Planning Board
Federal, Independent Reports:
P3 Tollway Costs & Risks
P3 Pre-development Agreements -- Early Involvement of Private Developers in the Consideration of Long-Term Public- Private Partnership Concession Options: A Discussion Paper, US Department of Transportation, February 2017
The Congestion Con: How more lanes and more money equals more traffic
Transportation for America, March 2020
Public-Private Partnerships for Transportation and Water Infrastructure
Congressional Budget Office, January 21, 2020
Pricing and technology strategies to address congestion on and financing of Americas roads
American Trucking Association, House Subcommittee on Highways and Transit, September 11, 2019
Federal Highway Administration Public Private Partnership Approvals and Monitoring, U.S. Department of Transportation Inspector General: March 2019
Financial Analysis of Transportation-Related Public Private Partnerships,
U.S. Department of Transportation Inspector General: July 2011
Public Private Partnership (P3) Procurement Guide, U.S. Department of Transportation March 2019
Highway Boondoggles 4
US Public Interest Research Group, June 2018
Revenue Risk Sharing for Highway Public Private Partnership Concessions
U.S. Department of Transportation, December 2016
Truth Be Tolled: SH 130 privatized tollway bankruptcy in Texas
Documentary, 2017
Increasing Highway Capacity Unlikely to Relieve Traffic Congestion
University of California, Davis, 2015