SAMI SAMIGreen on Victoria’s LXRP: pavement design lessons for engineers
Reviewed by Tom Sullivan
First reported on Roads & Infrastructure (AU)
30 Second Briefing
SAMI Bitumen Technologies’ SAMIGreen binder has been deployed across Victoria’s Level Crossing Removal Program, one of the state’s largest rail and road grade-separation schemes. The modified binder, designed to incorporate higher recycled content and lower-temperature production than conventional C170/C320 asphalts, was used on key LXRP works to cut embodied carbon and energy demand while maintaining rut resistance and fatigue performance. For pavement designers, the trial-scale use on multi-lane arterial approaches and rail interface zones provides field data to support broader specification of low‑emission binders on heavy-duty urban corridors.
Technical Brief
- Performance monitoring on LXRP sites is feeding into a SAMIGreen “roadmap” for future specification and network-wide adoption.
Our Take
SAMI Bitumen Technologies has recently paired its SAMIGreen low‑carbon binder with Auckland Transport’s first approved low‑carbon asphalt mix, suggesting the Level Crossing Removal Program in Victoria is part of a broader push to prove the product on high‑profile public works across Australasia.
The opening of the SAMI Technical Centre and the Darwin container hub in other coverage indicates SAMI is building both a testing backbone and a north–south logistics spine in Australia, which should make it easier for Victorian projects like the Level Crossing Removal Program to specify performance‑based, lower‑emission binders at scale.
Within our 876 Infrastructure stories, SAMI Bitumen Technologies appears frequently in sustainability‑tagged pieces, signalling that agencies such as LXRP using SAMIGreen are likely to be early adopters of performance‑specified, carbon‑aware asphalt procurement rather than purely cost‑driven selection.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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