Truly effective TDM approaches such as congestion pricing are politically unpalatable. Growth management legislation serves to coordinate transportation and land use. Opening up the corridor planning process makes a difference. The holistic transportation perspective can lead to environmental integration. Local transportation funding makes a big difference.
Densities required for TODs are controversial.
Planners assume densification can occur in increments. Transportation projections favor roads. In the absence of real models, TODs are often feared and misconstrued. Formation of a transportation corridor authority, which enables multiple jurisdictions and organizations to share one another's powers in the transportation, land use, and other spheres.