Four times a year, APA's Planning Advisory Service publishes a new PAS Report with guidance on current issues and innovative practices.

Subscribing organizations automatically receive each new PAS report as it is published. PAS subscribers can also download dozens of reports and purchase any printed report at a 50 percent discount.

Explore the Archive


Latest Report

Subdivision Design and Flood Hazard Areas

 The latest PAS Report elaborates on new information and tools and outlines a series of planning and design principles related to subdivision design and flood hazard areas. The authors emphasizes the value of an integrated approach to planning for natural hazards by improving regulations and design.

PAS subscribers will receive the report in late September or early October and can download it here.

Historic Reports

PAS published its first Information Report in 1949. To celebrate this history, each month we'll present a new report from the archives. We hope you enjoy these fascinating snapshots of planning issues of yesteryear.

The Changing Function of Trailer Parks

Information Report No. 84, March 1956

By the mid-1950s, mobile home numbers were on the rise and their main use had clearly shifted from vacation travel to temporary or permanent housing, but trailer parks often lacked basic amenities and were typically relegated to commercial or industrial zones and fringe areas where land was cheap. This month's historic PAS Report explores the evolving world of "trailerites" and advocates for zoning changes to accommodate the increasingly residential nature of mobile home parks.

Become a PAS Report Author

We’re always looking for authors to write or update PAS Reports on a variety of planning topics. Visit the archive to see the list of all past reports. If you have an idea for a PAS Report, please contact Senior Editor Camille Fink at