"Stop Stalling Traffic on the Sunol Grade," Says EDF
The Environmental Defense Fund (EDF) today released a plan for faster congestion relief and increased service on the Altamont Commuter Express (ACE) train in the Bay Area’s most congested travel corridor, the I-680 Sunol Grade. EDF’s plan uses a movable barrier lane, known as a “flexible lane”, to add a southbound lane much earlier than Caltrans’ proposal and can be operated to generate funds for ACE. EDF will be calling on the Sunol Grade Policy Advisory Committee, the group that oversees the addition of a new lane in the traffic-choked corridor, on Friday, March 26, to redirect the Caltrans approach to the Sunol Grade.
“EDF’s report demonstrates that implementation of a ‘flexible lane’ instead of Caltrans’ plan to pour more pavement, will deliver a southbound lane on I-680 sooner by borrowing a lane from the northbound side during the morning commute hours, ” said EDF senior economist analyst, Daniel Kirshner. “The ‘flexible lane’ can also be operated to generate funds for increased ACE rail service in the corridor to give commuters more transportation choices. ”
“Caltrans will take years to do things their way and there will be little relief when Caltrans’ equipment is finally out of the way,” said Michael Cameron, EDF transportation manager. “Why go slow, when with flexible lanes you could be traveling the Sunol Grade faster, sooner and with more transportation choices?”
“Flexible lanes are a smart choice for the Sunol Grade because these lanes provides three added travel options for commuters : use of a southbound HOV lane created by movable lane barriers, Express Lanes, and funds for more frequent ACE service,” said Renee Henry, co-author of the EDF report.
With more than 3 million members, Environmental Defense Fund creates transformational solutions to the most serious environmental problems. To do so, EDF links science, economics, law, and innovative private-sector partnerships to turn solutions into action. edf.org
Latest press releases
-
Health, Environmental Groups Ask EPA to Reconsider Flawed, Unlawful Decision to Repeal the Endangerment Finding
April 16, 2026 -
New EDF Maps Show Climate Change Is Raising Costs Nationwide, Federal Rollbacks Will Make It Worse
April 15, 2026 -
Clean Air Act under attack this week
April 15, 2026 -
Public Interest Groups Challenge Trump Administration’s Renewal of an Order to Keep Washington’s Last Coal Plant Operating
April 14, 2026 -
Cap-and-Invest proposal fails to meet California 2030 emissions reduction requirements
April 14, 2026 -
Coalition Sues Trump EPA for Failure to Implement Life-Saving National Soot Standard
April 14, 2026