URI(s)
- http://id.loc.gov/authorities/subjects/sh85136778
- http://id.loc.gov/authorities/sh85136778#concept
Variants
- Road signs
- Roads--Signs
- Roads--Traffic signs
- Roadside traffic signs
- Traffic control devices
- Traffic signaling
- Transportation, Automotive--Traffic control
Broader Terms
Narrower Terms
Closely Matching Concepts from Other Schemes
Broader Concepts from Other Schemes
Traffic signs and signals--Automation 
- Traffic signs and signals--Computer programs
- Traffic signs and signals--Computer simulation
- Traffic signs and signals--Cost effectiveness
- Traffic signs and signals--Costs
- Traffic signs and signals--Data processing
- Traffic signs and signals--Design and construction
- Traffic signs and signals--Energy conservation
- Traffic signs and signals--Environmental aspects
- Traffic signs and signals--Evaluation
- Traffic signs and signals--Inspection
- Traffic signs and signals--Lighting
- Traffic signs and signals--Location
- Traffic signs and signals--Maintenance and repair
- Traffic signs and signals--Maintenance and repair--Management
- Traffic signs and signals--Management
- Traffic signs and signals--Materials
- Traffic signs and signals--Mathematical models
- Traffic signs and signals--Planning
- Traffic signs and signals--Psychological aspects
- Traffic signs and signals--Public opinion
- Traffic signs and signals--Research
- Traffic signs and signals--Safety measures
- Traffic signs and signals--Standards
- Traffic signs and signals--Study and teaching
- Traffic signs and signals--Technological innovations
- Traffic signs and signals--Testing
- Traffic signs and signals--US states
- Traffic signs and signals--US states--Evaluation
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
- 1989-06-16: revised
Alternate Formats
