MUTCD/Puerto Rico
The Manual de Rotulación para las Vías Públicas de Puerto Rico (Spanish for "Sign Manual for the Public Roads of Puerto Rico") is Puerto Rico's supplement to the MUTCD, the standard for road signs, signals, and markings in the United States. It is developed by the Puerto Rico Highways and Transportation Authority (PRHTA) "in substantial conformance to" the national MUTCD developed by the Federal Highway Administration.
The sign manual contains design specifications for road signs, complementing the national Standard Highway Signs and Markings document. The latest edition of the sign manual was published in 2020 (as of April 2022).
Usage in OpenStreetMap
A traffic sign specific to the sign manual is mapped as a 
node tagged traffic_sign=US:PR:Z1-2, where "US:PR" is Puerto Rico's ISO 3166 code and Z1-2 is the sign's alphanumeric designation.
Sign designations
Each standard sign or plaque in the sign manual is assigned an alphanumeric designation and organized by series. A sign designation follows the same format as in the national MUTCD and SHSD; however, the sign designation for a state-specific sign is indicated by a "(PR)" after the sign number. This suffix is omitted from the traffic_sign=* value because it is usually redundant to the "US:PR" namespace, with a few exceptions.
| Category | Series | Sign | Variant | Position | Orientation | |
|---|---|---|---|---|---|---|
| R | 12 | - | 7 | a | ||
| Regulatory | Weight Limits | Non-Emergency Vehicle Weight Limit | Single Axle and Tandem | (Not a plaque) | (Normal) |
Unlike in the national standard, the orientation is abbreviated according to Spanish: "I" for left (izquierda) and "D" for right (derecha).
Signs by series
- Main article: MUTCD#Signs by series
The following pages contain a correspondence between PRHTA-specific signs and their most likely tagging in OpenStreetMap:
- Series CW – Construction
- Series D – Directional Signs
- Series E – Exit Signs
- Series EM – Emergency Management and Civil Defense Signs
- Series G – Work Zone
- Series I – Information Signs
- Series IM – Incident Management Signs
- Series M – Marker Signs
- Series OM – Object Marker
- Series R – Regulatory Signs
- Series RM – Traveler Services Signs
- Series S – School Area Signs
- Series W – Warning Signs
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