INI
Japanese Traffic Signs - INI
Japanese traffic signs are essential traffic facilities installed under the Road Act and Road Traffic Act to regulate and instruct road users on traffic methods, warn of dangers, and guide to destinations. Regulatory and mandatory signs are installed and managed by prefectural public safety commissions, while warning and guide signs are managed by road administrators (national government, prefectures, and municipalities). Each color and shape has specific meanings designed for intuitive understanding by drivers and pedestrians.
traffic signs
road signs
road traffic act
road act
traffic safety
drivers license
[item.regulatory-signs]
code=1
slug=regulatory-signs
name=Regulatory Signs
description=Signs that regulate traffic methods and parking/stopping for vehicles and pedestrians.
color=Red, Blue, White
examples=["No Entry","One Way","Speed Limit","No Parking","No U-turn","Road Closed"]
manager=Prefectural Public Safety Commission
shape=Circular, Inverted triangle
[item.mandatory-signs]
code=2
slug=mandatory-signs
name=Mandatory Signs
description=Signs indicating permitted traffic methods and locations designated under the Road Traffic Act.
color=Blue, White
examples=["Crosswalk","Parking Permitted","Regulation Ahead","Center Line","Straight Ahead Only","Bicycles Only"]
manager=Prefectural Public Safety Commission
shape=Square, Pentagon
[item.warning-signs]
code=3
slug=warning-signs
name=Warning Signs
description=Signs that warn of road hazards and situations requiring attention in advance to promote safe driving.
color=Yellow, Orange, Black
examples=["Crossroad","Right Curve","School Zone","Lane Ends","Curve","Falling Rocks","Traffic Signal Ahead"]
manager=Road Administrator (National Gov., Prefectures, Municipalities)
shape=Diamond shape
[item.guide-signs]
code=4
slug=guide-signs
name=Guide Signs
description=Signs that guide to destinations, directions, distances, and route numbers.
color=Blue, Green, Brown, White
examples=["Direction","National Route Number","Prefectural Route Number","Expressway Entrance","Parking","Prefectural Border","Service Area"]
manager=Road Administrator (National Gov., Prefectures, Municipalities)
shape=Rectangular