Tentative Guidelines on the Provision of Speed Breakers for Control of Vehicular Speeds on Minor Roads 1988 Edition
The 1988 IRC 99 standard outlines provisional recommendations for the design, positioning, and upkeep of speed breakers on minor roads across India, aimed at controlling vehicle speeds and improving safety. It targets residential zones, lesser-trafficked roads, and high-risk areas, providing design criteria that strike a balance between driver comfort and effective speed reduction.
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1988Edition
Roads and Bridges IRC- Indian road congress Category
The 1988 IRC 99 standard outlines provisional recommendations for the design, positioning, and upkeep of speed breakers on minor roads across India, aimed at controlling vehicle speeds and improving safety. It targets residential zones, lesser-trafficked roads, and high-risk areas, providing design criteria that strike a balance between driver comfort and effective speed reduction.
Audience
Who Uses This Standard
Traffic management specialists
Road safety coordinators
Highway infrastructure engineers
Local government road departments
Urban development planners
Transport authority personnel
Civil engineering advisors
Contents
Key Topics Covered
✓Rationale and justification for installing speed breakers
✓Design parameters for rounded hump-type speed breakers
✓Optimal crossing speeds with consideration for vehicle comfort
✓Criteria for selecting locations including junctions, bends, and populated zones
✓Visual and tactile alerts such as signage and road markings
✓Standard dimensions for roads with and without kerbs
✓Recommended intervals between consecutive speed breakers
✓Guidelines for upkeep and maintenance of speed breakers
✓Effects on various vehicle categories including heavy trucks and two-wheelers
✓Restrictions on using speed breakers on primary roads and highways
✓Safety measures near structures like bridges, culverts, and rail crossings
Structure
Table of Contents
1Overview
2Necessity of Speed Breakers
3Conditions Warranting Speed Breaker Installation
4Recommended Sites for Speed Breakers
5Speed Breaker Design Guidelines
6Guidance on Speed Breaker Placement
7Warning Signage and Road Markings
8Maintenance and Upkeep
9Special Factors and Considerations
10Final Recommendations
Frequently Asked
Popular Questions About IRC 99
?What are the specified shapes and sizes for speed breakers as per IRC 99?▼
Detailed answer not available.
?According to the standard, which locations on minor roads are ideal for installing speed breakers?▼
Detailed answer not available.
?How does the IRC 99 guideline consider the effect of speed breakers on various vehicle types?▼
Detailed answer not available.
?What types of signs and road markings are recommended to alert drivers about upcoming speed breakers?▼
Detailed answer not available.
?What maintenance recommendations are given to maintain the functionality of speed breakers?▼
Detailed answer not available.
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