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

APA members and PAS subscribers can download each new report as it is posted, and can download nearly 100 reports published since 1994. PAS subscribers also receive a print copy of each new PAS report.

Latest Report

Creating Planning Documents

The latest PAS Report presents recommended practices for creating high-quality planning documents and reports. The report offers step-by-step guidance and includes sample templates for readers to customize.

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.

Regulating the Storage, Distribution and Use of Propane and Butane

Information Report No. 25, April 1951

The increasing usage of propane and butane in the first half of the 20th century led to concerns about its safe storage and distribution. Were existing regulations for gasoline adequate for these fuels? This month’s historic PAS report reviews safety concerns and existing ordinance provisions for liquified petroleum gases — and prompted a rebuttal letter from the Liquefied Petroleum Gas Association.

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 Ann Dillemuth at