Road signs in Puerto Rico are regulated in the , Puerto RicoâÂÂs supplement to the Manual on Uniform Traffic Control Devices (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 first edition of the was published in 1979. This manual was most recently updated in 2020. Puerto Rico is among the territories of the United States to have adopted the national MUTCD in conjunction with a supplemental volume. The inscriptions on road signs are written in Spanish since it is an official language of Puerto Rico and is most widely spoken in Puerto Rico.
The suffix (D) in parentheses means "right", from Spanish , while the (I) in parentheses means "left", from Spanish .
Regulatory signs
R1 series: Stop and yield
R2 series: Speed limit
R3 series: Lane usage and turns
R4 series: Regulation of movement
R5 series: Exclusionary
R6 series: One way and divided highway
R7 series: Parking
R8 series: Parking and emergency restrictions
R9 series: Bicycles and pedestrians
R10 series: Traffic signal
R11 series: Road closed
R12 series: Weight limits
R14 series: Truck routes
R16 series: Seat belts and headlight use
School signs
Warning signs
W1 series: Horizontal alignment
W2 series: Intersections
W3 series: Advance traffic control
W4 series: Lanes and merges
W5 series: Road width restrictions
W6 series: Divided highway
W7 series: Hills
W8 series: Pavement and roadway conditions
W9 series: Lane transitions
W11 series: Advance warnings
W12 series: Low Clearance Warnings
W13 series: Advisory speeds
W14 series: Dead end streets and no passing zones
W15 series: Playgrounds
W16 series: Supplemental plaques
W17 series: Speed humps
W20 series: Work zones
W21 series: Road work
W24 series: Lane shifts
Object markers
Construction information signs
Route marker signs
M1 series: Route shields
M2 series: Junction markers
M3 series: Cardinal direction markers
M4 series: Route marker auxiliaries
M5 series: Advance turn arrow auxiliary signs
M6 series: Directional arrow auxiliary signs
Destination signs
D1 series: Destination
D2 series: Distance
D3 series: Street name
D4 series: Parking
D5 series: Rest area
D6 series: Scenic area
D9 series: Motorist services
D10 series: Reference location
D11 series: Bicycle facility and shared-use path
General information
Emergency management signs
References
External links