Traffic Engineering Directives (TEDs)
Traffic Engineering Directives (TEDs)
The following table lists active TEDs categorized by their specific traffic engineering focus. These directives are used by engineers and planners to ensure safety and uniformity on state highways.
| TED Number | Title | Effective Date | Resources |
|---|---|---|---|
| Category: 100s - General Traffic Engineering | |||
| 101 | Guidelines for Highway Lighting | 10/1/1993 | View PDF |
| 102-3 | Roadway Lighting Design | 2/10/1994 | View PDF |
| 103-3 | Preparation of Contract Sign Plans | 2/10/1994 | View PDF |
| 106-2 | Procedure for Conducting Traffic Impact Studies | 11/10/2010 | View PDF |
| Category: 200s - Signing | |||
| 201 | Warning Sign Location and Sight Distance Criteria | 4/13/1994 | View PDF |
| 203 | Criteria for Intersection Warning Signs | 10/1/1993 | View PDF |
| 207-3 | County Road Name and Destination Signing | 1/14/1999 | View PDF |
| 210 | Signing for Pedestrian, Horse and Bicycle Routes | 7/22/1996 | View PDF |
| 225 | "Children at Play" Signing | 1/25/1999 | View PDF |
| Category: 300s - Marking | |||
| 301-3 | Centerline, Edgeline and Laneline Markings | 1/14/2004 | View PDF |
| 302-2 | Pedestrian Crosswalks and Pedestrian Crossings | 3/14/2011 | View PDF |
| Category: 400s - Traffic Signals and Design | |||
| 402-4 | Typical Placement of Traffic Signal Faces | 3/10/2011 | View PDF |
| 403-2 | Design Criteria for Strain Pole Traffic Signal Supports | 2/10/2004 | View PDF |
| 405 | Flashing Operation of Traffic Signal Controls | 10/1/1993 | View PDF |
| Category: 600s and 700s - Traffic Control and School Zones | |||
| 601-4 | Preparation of Maintenance of Traffic Plans | 10/26/2005 | View PDF |
| 701-2 | School Area Traffic Control | 8/14/2003 | View PDF |
