CFLHD Supplements
CFLHD Supplements provide additional information to the FLH PDDM detailing standard practices, guidance, and criteria that pertain to the development of projects within CFLHD.
See the individual chapters listed on the left or the Summary of Transmittals below for the current supplements. The most accessed supplements are:
Highway Design Standards (Acrobat, 118 KB) 
HDS Form (internal version) (Word, 85 KB)- HDS Form (A/E version) (Word, 86 KB)
- ERFO HDS Memo (Word, 99 KB)
- Link to HDS form examples (Acrobat, 172 KB)
- Design Technical Memorandum (Acrobat, 28 KB)
- Design Technical Memorandum Template (Word, 277 KB)
Adopted Supplements Summary of Transmittals
| Transmittal | Supplement | Description | |
|---|---|---|---|
| Number | Date | ||
| C5 | 02/14/13 | 9.6.6.2-1 | Design Technical Memorandum |
| C4 | 10/18/10 | 3.3.3.1-1 | Permitting Roles and Responsibilities |
| 7.1.3.1-1 | Assessment of existing cross-drainage structures | ||
| 8.1-1 | CFLHD Safety-Related Design Procedures | ||
| 8.7.1.4-1 | Rumble Strip Guidance | ||
| 11.4.2-1 | Catalog method for aggregate surfacing design | ||
| C3 | 4/27/09 | 8.1-1 * | CFLHD Safety-Related Design Procedures |
| C2 | 11/21/08 | 4.4.1-1 | Process for using AASHTO VLVLR |
| 9.1.3.4-1 | Highway Design Standards form | ||
| 9.3.1.2.1-1 | Process for using AASHTO VLVLR | ||
| 9.6.3-1 | Coordinating with cross-functional team | ||
| 9.6.4-1 | Design review procedures | ||
| C1 | 8/23/07 | 1.1.6-1 | Issuing CFLHD Supplements |
| C1 | 8/23/07 | 9.6.5-1 | Standard Format for Plans |
| C1 | 8/23/07 | 9.6.6.2-1 * | Design Technical Memorandum |
* Supplement was superceded.