Speed Stencils & RRPMs
We've installed thousands of speed limit stencils and raised reflective pavement markers across Australian roads. From 40km/h school zones to 110km/h highways. Thermoplastic numerals and properly bonded RRPMs that guide drivers safely, day and night.
AS 1742 Compliant
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Why Speed Stencils and RRPMs Reinforce What Signs Tell Drivers?
A rural council in regional Victoria contacted us after multiple speed-related incidents on a stretch of road where the limit dropped from 100km/h to 60km/h approaching a township. Signs were present, but drivers weren't slowing down. The council wanted additional visual cues on the road surface itself. We installed oversized 60 numerals at three approach points, plus a sequence of raised reflective pavement markers that created a visual rumble strip effect.The combination worked. Drivers slowing from 100 down to 60 now had pavement marking reinforcing the speed sign, plus the RRPM sequence giving tactile and visual feedback as they approached the reduced limit. The council's speed monitoring showed average approach speeds dropped measurably.Speed stencils seem simple, but sizing and placement matter enormously. AS 1742.2 specifies numeral heights based on speed limit, ranging from 1.8m for 40km/h zones to 3.6m for 100km/h roads. Place the stencil too close to the sign and drivers can't read it. Place it too far and the reinforcement effect is lost. We've refined placement over thousands of installations.Raised reflective pavement markers, commonly called cat's eyes or road studs, serve a different purpose.
Key Benefits
Thermoplastic speed numerals from 40km/h to 110km/h sized according to AS 1742.2 for road speed classification
Raised reflective pavement markers in white, yellow, and red configurations for all lane guidance applications
Precision drilling and adhesive installation ensuring RRPM longevity even under heavy vehicle traffic
Retroreflective stencils using glass bead embedment for night visibility matching road line standards
Integration of stencils with roadside signs for maximum speed compliance reinforcement effect
Replacement and maintenance services for existing RRPM installations with matching marker types
Site Inspection
Free assessment and detailed quote
Professional Marking
Expert application with premium materials
Quality Assurance
Final inspection and compliance sign-off
Compliance Standards
Speed Limit Pavement Numerals
AS 1742.2:2009 Section 4.6, specifies dimensions for pavement speed numerals. Character heights range from 1.8m for low-speed zones to 3.6m for high-speed roads. Includes placement requirements relative to signs.
Raised Pavement Marker Performance
AS/NZS 1906.3:2017, defines retroreflectivity performance requirements for raised pavement markers. Specifies lens colour, reflection angle, and durability under traffic wear.
Pavement Marker Installation
AS 1742.2:2009 Section 6, covers requirements for raised pavement marker installation including spacing, offset from lane lines, and colour sequences for different road configurations.
Thermoplastic Material Standards
AS 4049.4:2005, specifies performance requirements for thermoplastic materials used in speed stencils including softening point, adhesion, and wear resistance for heavy traffic applications.
Austroads Delineation Guide
AGTTM Part 10 Section 7, provides detailed guidance on road delineation including RRPM spacing tables, colour sequences for curves and intersections, and maintenance inspection requirements.
Night-Time Road Marking Visibility
AS/NZS 1906.1:2017, specifies retroreflective performance for horizontal road markings. Speed stencils must maintain night visibility through proper glass bead embedment at application.
Fully Compliant & Certified
All our work meets or exceeds Australian Standards and state road authority requirements
VicRoads Approved
Registered Contractor
$20M Public Liability
$10M Professional Indemnity
5,000+ Projects
Since 2009
Fixed Prices
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AS 1742
Traffic Control Devices
Specifies line colours, widths, arrow designs, and placement for road markings. Ensures all traffic control devices meet national safety standards.
AS/NZS 2890
Parking Facilities
Covers bay dimensions (2.4m × 5.4m standard, 3.2m × 5.4m accessible), aisle widths, and traffic flow requirements for compliant parking areas.
AS 4586
Slip Resistance
Defines slip resistance classifications (P rating) for pedestrian surfaces. Critical for wet areas, ramps, and high-traffic zones.
AS/NZS 1428
Access & Mobility
Sets requirements for accessible parking bays, tactile indicators, and mobility access. Essential for DDA compliance and accessibility audits.
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Frequently Asked Questions
AS 1742.2 specifies numeral height based on road speed limit. For 40km/h zones, minimum 1.8m height. For 60km/h roads, minimum 2.4m. For 80km/h or above, minimum 3.0m to 3.6m. Larger numerals give drivers more reading time at higher approach speeds.
They're all names for the same thing: raised reflective pavement markers that sit slightly above the road surface and reflect headlights back to drivers. Some are one-directional, others bi-directional. Colour indicates meaning: white for lane lines, yellow for centrelines, red for wrong-way warning.
Quality RRPMs properly installed last 5 to 10 years on standard roads. High-traffic areas and heavy vehicle routes may need earlier replacement. The markers themselves rarely fail; they're typically lost when adhesive fails or road surface breaks down around them.
Yes, we do RRPM maintenance and replacement. We match existing marker types and colours, properly prepare the cavity left by missing markers, and install replacements with appropriate adhesive. For widespread failures, complete lane remarking may be more cost-effective.
Yes, speed numerals on roads must be visible at night under headlight illumination. We use thermoplastic with glass bead embedment at 400g per square metre, matching the retroreflectivity of adjacent road lines. This ensures consistent night-time visibility.
Proper installation requires diamond core drilling to create a clean cavity, clearing dust and debris, applying two-part structural adhesive, and pressing the marker in place. Adhesive needs 2 to 4 hours to cure before traffic. We typically do RRPM installation overnight as part of broader marking projects.
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