Platinum Signs
Stop Sound Horn Proceed Slowly Sign
PSS-TRF-357 · Product data sheet
Data sheet
26 August 2026
https://www.platinumsigns.com.au
Description
Communicate multi-step driver instructions with this combination warning sign, compliant with AS 1319. Offered in aluminium, polypropylene, or Colorbond steel, with three sizes: 450×300 mm, 450×600 mm, and 600×400 mm. Pre-drilled holes simplify installation, and Class 2 reflective sheeting provides adequate visibility for controlled-speed areas. Commonly used at railway crossings, industrial sites, and private access points. Platinum Signs supplies trade customers and organisations nationwide with flexible ordering, competitive bulk rates, and reliable delivery to all states.
Final sign type, wording, size, placement and material depend on the site risk, project specification and applicable jurisdiction. Confirm the requirement with the relevant WHS adviser or regulator.
- Category
- Traffic & Road Signs
- Sign selection
- Confirm against site requirements
- Artwork
- Off-the-shelf design supplied as shown
- Product code
- PSS-TRF-357
Available materials
| Material | Specification |
|---|---|
| Aluminium (1.6mm) | Rigid aluminium sheet suited to long-term signage where corrosion resistance and dimensional stability matter. Indicative service life: Long-term substrate; print and site conditions apply. Typical use: Permanent outdoor installations and high-durability sites. |
| Polypropylene (1.6mm) | Rigid plastic sheet suited to indoor and sheltered or general outdoor applications, subject to the print finish and site exposure. Indicative service life: Medium-term use; site conditions apply. Typical use: Warehouses, factories, permanent indoor/outdoor. |
| Colorbond Steel (0.6mm) | Rigid coated sheet steel suited to demanding indoor and outdoor installations. Print life depends on finish, exposure, edges and mounting. Indicative service life: Long-term substrate; print and site conditions apply. Typical use: Permanent installations, harsh environments. |
Available sizes
- • 450 x 300mm
- • 450 x 600mm (Large)
- • 600 x 400mm
Volume pricing — Aluminium (1.6mm) · 450x300 (inc. GST)
| Quantity | Unit price | Saving |
|---|---|---|
| 1-4 | $50.00 | — |
| 5-9 | $46.00 | -8% |
| 10-24 | $42.50 | -15% |
| 25-49 | $38.00 | -24% |
| 50-99 | $34.00 | -32% |
| 100+ | $30.00 | -40% |
Prices shown for the listed material/size combination. Full configuration pricing is available at https://www.platinumsigns.com.au/safety-signs/traffic/stop-sound-horn-proceed-slowly.
Frequently asked
Where is this sign typically used?
Common at railway level crossings, private industrial entrances, and controlled-access gates where sequential driver actions are required.
Is Class 2 reflective sufficient for this sign?
Reflective grades provide different visibility performance. Choose the grade required by the project specification and site conditions, and confirm any road, traffic or high-risk requirement with the relevant authority before ordering.
Which material should I choose for a railway crossing?
Aluminium or Colorbond are ideal for high-exposure rail environments; both resist moisture and vibration better than polypropylene.
Are the pre-drilled holes vandal-proof?
Yes. Four-corner pre-drilled holes are an optional extra with a base surcharge of $3.00 inc GST per sign for the listed configurations, before any applicable volume discount. Select the option to update the configured total before adding to cart.
Can the wording be changed to suit our site?
Custom text is available on orders of 5+ units. Provide your requirements and we'll deliver a quote and digital proof within 48 hours.