CFLHD Supplements are available for the following PDDM sections:

Section 8.1 - General

Supplement 8.1-1 CFLHD Safety-Related Design Procedures - provides guidance for safety-related design procedures at CFLHD.

Section 8.7 - Traffic Design

8.7.1.4 Rumble Strips

Supplement 8.7.1.4-1 CFLHD Rumble Strips Guidelines - provides guidance for the use on rumble strips.