TDM Knowledge Center

State Welcome to ACT's TDM Knowledge Center, your connection to industry-leading resources and publications.

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Publications

Our most recent publications (additional linked below)

2025 TMA/TMO Survey

Members: Free
Non-members: $35

ACT's 2025 TMA/TMO Council survey, continuing a series since the mid-1990s, analyzes 84 responses reflecting post-pandemic trends and organizational changes.

State of Carpooling 2026

Members: Free
Non-members: $75

ACT's State of Carpooling Study reveals the conditions, strategies, and assumptions that determine when carpooling succeeds and can grow sustainably.

Beyond Highways: TDM as an Engine for Economic Growth

Members: Free
Non-members: $25

A resource explaining how TDM delivers cost-effective, performance-driven transportation by optimizing infrastructure, reducing costs, boosting productivity, and strengthening long-term economic resilience.

View additional publications ⟶

TDM-CP Study Guides

Members: Free | Non-members: $35

Travel Options

TDM Marketing & Sales

Sustainability

View additional TDM-CP study guides ⟶