Policy, Planning and Sustainability Administration (PPSA) establishes broad strategic goals to guide multi-modal program development, the policies necessary to implement these goals, and ensure compliance with these goals and policies through plan review and permitting. 

PPSA is comprised of the following divisions:

Policy Development Division
The Policy Development Division is comprised of three branches.

• The Public Space Policy Branch
  The Public Space Policy Branch develops policies that govern the use of public space, such as sidewalks, underground vaults and special parking.
  
  
• The Transportation Systems Policy Branch
  The Transportation Systems Policy Branch implements thematic programs including safety, and pedestrian and bicycle programs.
  
  
• The Research & Technology Development Branch
  The Research & Technology Development Branch provides best practices in transportation, manages the DDOT library and archives, as well as performs program evaluation to measure the effectiveness of our programs.
  

Strategic Transportation Planning Division
The Strategic Transportation Planning Division develops transportation policies from a broad perspective.

• The Transportation Systems Planning Branch
  The Transportation Planning Branch prepares strategic goals and plans for the entire city, while also focusing on specific neighborhood needs.
  
  
• The Regional Planning Branch
  The Regional Planning Branch participates in Washington-area efforts and partners with neighboring jurisdictions to achieve DDOT goals.
  

Plan Review and Compliance Division
The Plan Review and Compliance Division reviews transportation and zoning plans for environmental and transportation policy compliance.

• The Environmental Management & Compliance Branch
  The Environmental Management & Compliance Branch incorporates Environmental management into the DDOT decision-making process in order to provide context sensitive and environmentally sustainable solutions for the department's operations and District's transportation projects; and prepares and implements the State Planning program.
  
  
• The Plan Review Branch
  The Plan Review Branch reviews transportation project, developer and zoning plans.
  
  
• The Public Space Permits Branch
  The Public Space Management Branch manages the Public Space Committee; issues permits to developers, vendors and utilities; and assumes responsibility for the overall management of DC public space.