| Letter |
3-29-19 |
Caltrans Letter to CTCDC for the Adoption of the 2014 California Manual on Uniform Traffic Control Devices Revision 4 (PDF) |
| Letter |
3-19-19 |
FHWA Letter to Caltrans for Substantial Conformance of the 2014 Rev 4 California Manual on Uniform Traffic Control Devices (PDF) |
| Memo |
10-19-18 |
Use of Enhanced Conspicuity for selected sign posts to improve safety on the State Highway System (PDF) |
| Letter |
3-8-18 |
Caltrans Letter to CTCDC for the Adoption of the 2014 California Manual on Uniform Traffic Control Devices Revision 3 (PDF) |
| Letter |
3-7-18 |
FHWA Letter to Caltrans for Substantial Conformance of the 2014 Rev 3 California Manual on Uniform Traffic Control Devices (PDF) |
| Letter |
2-28-18 |
Caltrans Letter to FHWA Requesting Confirmation of Substantial Conformance for the 2014 Rev 3 California Manual on Uniform Traffic Control Devices (PDF) |
| Memo |
7-14-17 |
Implementation of Temporary Pedestrian Access Route (TPAR) (PDF) |
| Memo |
5-19-17 |
Implementation of Six-Inch Wide Traffic Lines and Discontinuing Use of Non-Reflective Raised Pavement Markers
(Rescinds TOPD 00-02, dated 2-1-00) |
| Memo |
5-17-17 |
Guidelines for Visibility Improvement Requests (VIRs) (PDF) |
| Memo |
4-13-17 |
Procurement of Laminated Wood Box Post (LWBP) Sign Supports for Capital Outlay Projects (PDF) |
| IA-17 |
4-10-17 |
FHWA Interim Approval - Three-Section Flashing Yellow Arrow Signal Faces |
| Letter |
4-7-17 |
Caltrans Letter to CTCDC for the Adoption of the 2014 California Manual on Uniform Traffic Control Devices Revision 2 (PDF) |
| IA-18 |
4-6-17 |
FHWA Interim Approval - Intersection Bicycle Boxes (PDF) |
| 17-01 |
4-1-17 |
Use of Department-Furnished Signal Controller Assemblies and Department-Furnished Software Programs on the State Highway System (PDF) |
| Letter |
3-28-17 |
Chapter 4F Pedestrian Hybrid Beacon Guidance Statement Change (PDF) |
| Letter |
3-28-17 |
FHWA Letter of Substantial Conformance for 2014 Rev 2 California Manual on Uniform Traffic Control Devices (PDF) |
| Letter |
3-21-17 |
Caltrans Letter to FHWA Requesting Confirmation of Substantial Conformance for the 2014 Rev 2 California Manual on Uniform Traffic Control Devices (PDF) |
| 11-03-R1 |
1-13-17 |
Record Retention Policy for Traffic Safety and Traffic Accident Surveillance and Analysis Systems (TASAS)
(Supersedes TOPD 11-03, dated 9-23-11) |
| Memo |
10-28-16 |
Reinstatement of Use of SRT Systems (PDF) |
| Memo |
7-25-16 |
Suspension of the SRT Systems (PDF) |
| Memo |
5-23-16 |
Exception to the Implementation of the Revised 2010 Electrical Standards (PDF) |
| Memo |
5-10-16 |
Route Shield Pavement Markings (PDF) |
| Memo |
4-22-16 |
Implementation of the Revised 2010 and 2015 Electrical Standards (PDF) |
| Memo |
1-5-16 |
Advanced Lane Assignment Signs (PDF) |
| 14-01 |
1-1-16 |
Installation of Automated Red Light Enforcement Systems by Local Governmental Agencies on the State Highway System (Revision 1, 8-5-15)
(Supersedes TOPD 14-01, dated 2-5-14) |
| Memo |
12-29-15 |
Replacement and Retrofit of Existing Pedestrian Signal "Meter On" Signs (PDF) |
| IA-16 |
11-27-15 |
FHWA Interim Approval - Bicycle Signal Faces (PDF) |
| Memo |
10-15-15 |
Warranty-Based Pavement Marking Pilot Projects (PDF) |
| Memo |
8-12-15 |
Exit Gore Signage (PDF) |
| Letter |
11-7-14 |
Caltrans Letter to CTCDC for the Adoption of the 2014 California Manual on Uniform Traffic Control Devices (PDF) |
| 14-02 |
12-11-14 |
Overhead Guide Sign Policy on the State Highway System (Revision 1, 12-11-14)
Follow-up Memo (8-24-15) for
Implementation of Retroreflective Sheeting (Types VIII, IX or XI) for Fluorescent Orange Signs Identified in TOPD 14-02, Revision 1. |
| Memo |
10-28-14 |
Use of Severe-Duty Crash Attenuators (PDF) |
| Memo |
9-30-14 |
Use of Ramp Metering Sign in Projects in Design or Construction (PDF) |
| Memo |
9-18-14 |
Implementation of Portable Transverse Rumble Strips (PDF) |
| Memo |
9-17-14 |
Visibility Improvement Request During Declared Droughts (PDF) |
| Memo |
7-2-14 |
Retroreflective Sheeting for Guide Sign Policy (PDF) |
| Letter |
6-12-14 |
FHWA Letter to Caltrans for Substantial Conformance of the 2012 California Manual on Uniform Traffic Control Devices. Revisions including only National MUTCD 2009 Revisions 1 & 2 |
| Letter |
6-10-14 |
Caltrans Letter to FHWA Requesting Confirmation of Substantial Conformance for the 2012 California Manual on Uniform Traffic Control Devices.
Revision including only National MUTCD 2009 Revisions 1 & 2 |
| Letter |
2-7-14 |
Caltrans Letter to CTCDC regarding reduced speed limits in temporary traffic control zones in the California Manual on Traffic Control Devices (PDF) |
| Memo |
11-25-13 |
Electrical Design Standards for Advertised Projects (PDF) |
| 13-02 |
8-30-13 |
Intersection Control Evaluation (ICE) (PDF) |
| Memo |
8-23-13 |
Intersection Control Evaluation (ICE) and Design Guidance |
| 13-01 |
3-14-13 |
Zero Emission Vehicle Signs and Pavement Markings (PDF) |
| 12-05 |
12-21-12 |
Terminal Access Routes for Surface Transportation Assistance Act (STAA) Trucks in the California Manual on Uniform Traffic Control Devices (PDF) |
| 12-04 |
11-15-12 |
Inclusion of Move Over Or Slow signs per SB240, and display of message on fixed Changeable Message Signs (PDF) |
| 12-03 |
6-27-12 |
Crosswalk Enhancements Policy (PDF) |
| 12-02 |
4-18-12 |
Adoption of the Manual for Assessing Safety Hardware
Supporting Document: Decision Document |
| 12-01 |
3-30-12 |
Pedestrian Clearance Time (3-30-12)
Supporting Document: APS Clarification Memo 9-18-14 |
| Letter |
1-13-12 |
Caltrans Letter to CTCDC for the Adoption of the 2012 California Manual on Uniform Traffic Control Devices (PDF) |
| Letter |
1-12-12 |
FHWA Letter to Caltrans for Substantial Conformance of the 2012 California Manual on Uniform Traffic Control Devices (PDF) |
| Letter |
12-27-11 |
Caltrans Letter to FHWA Requesting Confirmation of Substantial Conformance for the 2012 California Manual on Uniform Traffic Control Devices (PDF) |
| 11-05 |
10-05-11 |
Proprietary Traffic Safety Devices in Capital Projects (PDF) |
| 11-04 |
10-05-11 |
Guidelines for Installation of Rumble Strips (PDF) |
| 11-03 |
9-23-11 |
Record Retention Policy for Traffic Safety and TASAS
(Superseded by TOPD 11-03-R1, dated 1-13-17) |
| 11-02 |
4-7-11 |
Updated Managed Lane Design (PDF) |
| 11-01 |
2-1-11 |
Amend existing policy and typical applications and adopt new typical applications in the CA MUTCD for accommodating bicyclists in TTC zones. (Updated 1-24-11) (PDF) |
| Letter |
10-28-10 |
FHWA Letter regarding Federal standards for Street Name signs and deadlines for compliance (PDF) |
| Letter |
10-1-10 |
INFORMATION: FHWA Official Interpretation - Manual on Uniform Traffic Control Devices (PDF) |
| Letter |
8-4-10 |
Pedestrian Clearance Tim (8-4-10)
Supporting Document: Issues in Implementing the new MUTCD 2009 |
| 10-01 |
7-30-10 |
Inclusion of new regulatory signs for NO IDLING (R61(CA) and R62(CA)) signs in the California MUTCD. (PDF) |
| Letter |
2-11-10 |
Caltrans Letter to CTCDC for the Adoption of the 2010 California Manual on Uniform Traffic Control Devices (PDF) |
| Letter |
1-21-10 |
FHWA Letter to Caltrans for Substantial Conformance of the 2010 California Manual on Uniform Traffic Control Devices (PDF) |
| 09-06 |
9-10-09 |
Provide Bicycle and Motorcycle Detection on all new and modified approaches to traffic-actuated signals in the state of California. (PDF) |
| 09-04 |
7-01-09 |
Change in current California MUTCD policy and procedure for setting speed limits in California. (PDF) |
| Letter |
6-23-09 |
California MUTCD Conformance Letter from FHWA to Caltrans Director. (PDF) |
| 09-03 |
6-15-09 |
Use of Automated Red Light Enforcement Systems on the State Highway System.
(Supersedes TOPD 00-01, dated 7-7-00) |
| Memo |
5-18-09 |
Economic Stimulus Recovery Act Funding Sign Policy Update. (PDF) |
| Memo |
3-17-09 |
Inclusion of American Reinvestment and Recovery Act Funding Signs in Project Plans.
(Superseded by 5-18-09 Memo) |
| 09-02 |
3-16-09 |
Inclusion of new guide signs for Watershed Boundary (S36(CA), S36A(CA), and S36B(CA)) in the California MUTCD (PDF) |
| 09-01 |
3-02-09 |
Inclusion of new and deletion of existing regulatory parking, stopping and loading signs in the California MUTCD (PDF) |
| 08-07 |
11-24-08 |
Inclusion of FHWA's final rule of worker visibility in the California MUTCD (PDF) |
| IA-10 |
11-3-08 |
FHWA Interim Approval - Optional Use of Flashing Yellow Arrow for Permissive Left Turns (PDF) |
| 08-06 |
9-12-08 |
Inclusion of interim policy for reduced speed limits in school zones in the California MUTCD (PDF) |
| 08-05 |
9-12-08 |
Inclusion of new guide signs (G12-1(CA), G12-2(CA), G86-14(CA), G98(CA), and S22-1(CA)) in the California MUTCD (PDF) |
| 08-04 |
9-12-08 |
Inclusion of new regulatory signs (R39(CA), SR25(CA), and SR26(CA)) in the California MUTCD (PDF) |
| 08-03 |
9-12-08 |
Revision of policies for various signs (S30(CA), S33(CA), R10-11) in the California MUTCD (PDF) |
| 08-02 |
7-1-08 |
Revision to Signs and Pavement Markings for Persons with Disabilities in the California MUTCD (PDF) |
| 08-01 |
7-7-08 |
Inclusion of the Slow for the Cone Zone Signs in the California MUTCD (PDF) |
| Memo |
11-16-07 |
Inclusion of Proposition 1B Funding Signs in Project Plans (PDF) |
| 06-06 |
1-01-07 |
Implementation of Streets and Highways Code - Section 1978 - "WHERE WE HONOR VETERANS" (PDF) |
| IA-1 |
12-07-06 |
FHWA Interim Approval - Traffic Signal Backplate (PDF) |
| IA-2 |
12-07-06 |
FHWA Interim Approval - Wayside Horn System (PDF) |
| IA-5 |
12-07-06 |
FHWA Interim Approval - Clearview Fonts (PDF) |
| IA-8 |
12-07-06 |
FHWA Interim Approval - RV Friendly Symbol Sign (PDF) |
| Letter |
11-29-06 |
Interim Approval Request (PDF) |
| Letter |
9-26-06 |
California MUTCD Adoption Letter to FHWA Division Administrator (PDF) |
| Memo |
9-26-06 |
Adoption Memo to Caltrans Districts (PDF) |
| Letter |
9-15-06 |
FHWA's Substantial Conformance Letter |
| Memo |
6-30-06 |
2006 Travel Time Values for Automobiles and Trucks |
| 06-03 |
6-07-06 |
Commercial Television Broadcasts from Transportation Management Centers (TMC) |
| 06-02 |
6-07-06 |
Distributing Traveler Information to Commercial/Media Information Service Providers |
| IA-4R |
5-09-06 |
FHWA Interim Approval - AFAD (PDF) |
| Memo |
5-02-06 |
Typical Signs for Chain On/Off Areas |
| 06-01 |
3-10-06 |
Charging and Billing Policy for Memorial Signs and College Signs (PDF) |
| 05-10 |
9-12-05 |
Shared Roadway Bicycle Marking (PDF) |
| 05-09 |
12-01-05 |
Crashworthy Temporary Traffic Control Devices in Work Zones Categories 1, 2 & 3 (PDF) |
| 05-08 |
8-26-05 |
Parking Restrictions at Intersections (PDF) |
| 05-07 |
3-30-05 |
Use of safety-related message on changeable message signs (PDF) |
| 05-06 |
4-01-05 |
Orientation of Barricade Stripes For Temporary Traffic Control (PDF) |
| 05-04 |
3-14-05 |
The use of CROSS TRAFFIC DOES NOT STOP plaque (W4-4p) for 4-way stop and 2-way stop conversions (PDF) |
| 05-03 |
3-14-05 |
The use of NO TURN ON RED signs for less than 75 degrees skewed signalized intersections (PDF) |
| 05-01 |
1-26-05 |
Minimum Yellow Light Change Interval (PDF) |
| Letter |
1-06-05 |
TCD Target Dates Letter to CTCDC (PDF) |
| Letter |
5-20-04 |
MUTCD 2003 Adoption Letter to FHWA Division Administrator (PDF) |
| Memo |
5-20-04 |
The Department Adopts FHWA's MUTCD 2003 to Replace the Traffic Manual (PDF) |
| 04-01 |
1-02-04 |
Policy on the Retention of Traffic Safety Investigations Records and Collision Reports (PDF) |
| Memos |
1982-2003 |
OBSELETED Traffic Operations Related Electrical Engineering Policies (various letters and memos between 1982-2003) (PDF) |
| 03-02 |
12-26-03 |
In-Roadway Warning Lights at Crosswalks (PDF) |
| Memo |
12-01-03 |
Placement of Traffic Controller Cabinets (PDF) |
| 03-05 |
10-10-03 |
New Speed
Limit Signs |
| 03-04 |
8-1-03 |
Vehicle Speed
Feedback Signs |
| Memo |
6-27-03 |
State Furnished Materials for LED Modules and BBS Systems (PDF) |
| TOPD |
6-25-03 |
TMS Sustaining Engineering (PDF) |
| 03-03 |
1-01-03 |
Specific Service Sign (Logo) Program - Increased Population Beyond 5,000 (PDF) |
| 03-01 |
2-10-03 |
Steel Guardrail Posts (PDF) |
| 02-05 |
8-1-02 |
Supplemental Signing for City Civic Center Areas (REVISED) (PDF) |
| Memo |
4-25-02 |
Exception to High and Low Risk Policy for the Statewide Exit Number and Vertical Clearance Sign Projects
(Business, Transportation and Housing Agency Memo) (PDF) |
| Memo |
3-26-02 |
Purpose, Application and Approval Authority for Exceptions to Design Standards (PDF) |
| 02-04 |
2-1-02 |
Interchange Exit Numbering Policy (36 pages, 1.52 MB) (PDF) |
| 02-02 |
1-29-02 |
Weathered/Ungalvanized Barrier Rail (PDF) |
| 02-01 |
1-18-02 |
Supplemental Signing for City Civic Center Areas (PDF) |
| TOPD |
1-18-02 |
Temporary Railing (Type K) Policy (PDF) |
| Program |
1-1-02 |
State of California, Department of Transportation, Victims Memorial Sign Program (PDF) |
| Errata |
12-18-01 |
Traffic Manual,Section 8-03.4 Speed Limit Signs and Markings (PDF) |
| Errata |
11-30-01 |
Traffic Manual,Section 9-13.11 Voltage Drop (PDF) |
| 01-03 |
6-1-01 |
Left Turn Extinguishable Message Sign (SUPERSEDED by CA MUTCD, Section 2L.01, paragraph #05) (PDF) |
| Memo |
5-22-01 |
Changes to Traffic Manual 6-03.2 Rumble Strips (PDF) |
| 01-02 |
3-21-01 |
Specific SVC Sign (Logo) Program - Increased Population Beyond 5000 (PDF) |
| 01-01 |
3-15-01 |
Radio Information Signing Policy (PDF) |
| Memo |
3-9-01 |
Interim Energy Conservation Measures for Guide Signs (PDF) |
| 00-05A |
3-7-01 |
Horizontal/Vertical Clearance changes (PDF) |
| 00-05 |
11-21-00 |
Crashworthy Traffic Control Devices in Work Zones (PDF) |
| Memo |
3-21-01 |
Deploying Battery Back-up Systems at Traffic Signalized Intersection (PDF) |
| 00-04 |
1-4-01 |
Profiled ThermoplasticTraffic Stripe (PDF) |
| 00-03 |
9-1-00 |
Vertical Clearance Sign Policy for State Highway Structures (PDF) |
| Memo |
8-2-00 |
Deploying Battery Backup Systems at Traffic Signalized Intersections (PDF) |
| Memo |
2-2-00 |
New and Non-standard Devices Exception Process (PDF) |
| 00-02 |
2-1-00 |
Optional Lane line Delineation
(Rescinded by 5-19-17 Memo, Implementation of Six-Inch Wide Traffic Lines and Discontinuing Use of Non-Reflective Raised Pavement Markers) (PDF) |
| 00-01 |
7-7-00 |
Automatic Red-Light Enforcement Systems
(Superseded by TOPD 09-03, dated 6-15-09) (PDF) |
| 99-03 |
12-1-99 |
Indian Reservations (PDF) |
| 99-02 |
12-1-99 |
Overhead Guide Sign Illumination Policy (PDF) |
| Memo |
4-29-99 |
C40 Signs (PDF) |
| Memo |
3-16-99 |
Guide Sign Policy (Sheeting) (PDF) |
| Memo |
3-12-99 |
Sheeting Material for Guide Signs (PDF) |
| Memo |
11-30-98 |
Safety Corridors (PDF) |
| Memo |
11-10-98 |
Fluorescent Yellow Green (PDF) |
| Memo |
9-30-98 |
Historic District (PDF) |
| Memo |
4-13-98 |
Yellow Change Intervals (PDF) |
| 97-3 |
12-1-97 |
Access to Traffic Detector Data (PDF) |
| 97-1 |
6-19-97 |
Access to Live Video (PDF) |
| Memo |
12-27-96 |
PLAN-Typical Signing for COZEEP/MAZEEP Reduced Speed Zone (PDF) |
| Memo |
11-22-96 |
Work Zone Speed Limits (PDF) |
| Memo |
5-13-96 |
Signing for Speed Limits (PDF) |
| Memo |
7-14-95 |
New Product Evaluation Process (PDF) |
| Memo |
12-3-93 |
Maintenance Factor for Intersection Lighting (PDF) |
| Memo |
6-16-93 |
Lighting for Nonstandard Sag Vertical Curves (PDF) |
| Memo |
5-11-93 |
Clarification on Lighting of Sag Vertical Curves with Nonstandard Stopping Sight Distance (PDF) |
| Memo |
1-7-93 |
Construction Speed Zones (1-7-93) (PDF) |
| Memo |
12-22-92 |
Construction Speed Zones (12-22-92) (PDF) |
| Memo |
8-16-91 |
Catwalks on Overhead Sign Structures (PDF) |
| Memo |
1-25-91 |
Nonstandard Lighting Poles on Conventional State Highways Installed and Maintained by Others (PDF) |
| Memo |
3-27-90 |
Crosswalks and Detector Installations (3-27-90) (PDF) |
| Memo |
8-21-89 |
Crosswalks and Detector Installations (8-21-89) (PDF) |
| Memo |
10-15-87 |
Break / Slip Base Under Electroliers Located Along Freeways, Expressways and Conventional Highway (PDF) |
| Memo |
7-29-87 |
"Prepare to Stop" Signs at Signalized Intersections (PDF) |
