South Western Highway

WATrunk road396.2 km1289 segments

6.3Sports

8.0Safety

396.2 kmTotal length

1289Segments

620Recorded crashes

South Western Highway is a 396 km sealed trunk route in Western Australia, Australia. It scores 6.6/10 for caravans with straight corners and excellent surface.

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Punteggi per veicolo

6.3/10

SPTSportStrade asfaltate, tortuosità, passi di montagna

5.9/10

MOTMotoCurve strette, tornanti, strade tecniche

6.5/10

EVEVManto liscio, strade asfaltate, amico dell'autonomia

4.8/10

4x44x4Accesso ghiaia, idoneità fuoristrada

6.6/10

VANCaravanAsfalto liscio, pendenze dolci, nessun passo ripido

Distribuzione qualità dei tratti

Punteggio Sport - 1289 tratti

Eccellente (8+)11%Buono (6-8)42%Discreto (4-6)46%Scarso (<4)1%

IQR punteggio Sport: 5.0 - 6.5

Surface

Surface coverage

Sealed100%Unsealed0%

Dettaglio del punteggio

Punteggi mediani dei componenti su tutti i tratti

Manto

10.0

Qualità mediana del manto. Asfalto liscio = 10. Chipseal = 8. Ghiaia = 5.

Tortuosità

3.6

Tortuosità mediana. Punteggi più alti significano più curve per chilometro.

Velocità

9.7

Adeguatezza del limite di velocità. Punto ideale a 60-110 km/h.

Classe stradaTrunk road

3.0

Classificazione stradale. Le autostrade hanno zero. Le strade terziarie hanno 9.

Traffico

3.3

Densità di traffico stimata. Meno traffico = punteggio più alto.

Dislivello

5.7

Variazione di altitudine per chilometro. Più salita = punteggio più alto.

Road intel

Wet riskModerate

Average wet sensitivity across segments, based on surface, drainage, gradient and local rainfall.

Night riskPresent

Visibility at night across the road, weighted by lighting, tree canopy density and curves.

Wind exposureModerate

Average wind exposure across segments, based on measured wind speed, terrain and shelter. Relevant for motorcycles and caravans.

Sun glarePresent

East-west segments exposed to sunrise and sunset glare, adjusted for tree cover.

Storico incidenti

Aggregato su 1289 tratti· 5 anni di dati

620

Incidenti totali

Vittime

109

Feriti gravi

Zone grigie

Roads.detail.last5Years

140

Roads.detail.crashesFiveYr

Roads.detail.fatalitiesFiveYr

Roads.detail.stateAvgRateLabel: 0.686 Roads.detail.rateUnitRoads.detail.thisRoadRateLabel: 0.929▲ Roads.detail.aboveStateAverage

Fonte: dati incidenti statali collegati alla geometria stradale. Le zone grigie sono tratti dove la geometria di curvatura non corrisponde al limite di velocità.

Quando questa strada è rischiosa?

Condizioni incidenti - quota di incidenti registrati per circostanza

Incidenti su strada bagnata

Incidenti avvenuti in condizioni di bagnato

Incidenti notturni

Incidenti avvenuti dopo il buio

Basato su 5 anni di registri incidenti collegati alla geometria stradale. Dettaglio incidenti (notte, bagnato, weekend): dati VIC 2012-2024. Gli altri stati mostrano solo conteggi aggregati.

Ambiente stradale

Indicatori di rischio derivati da geometria e clima

Esposizione strada bagnata48%

Rischio guida notturna44%

Esposizione al vento50%

Rischio abbagliamento solare57%

Rischio impatto fauna11%

Risk values derived from road geometry, orientation, weather station data, and satellite canopy cover. 0 = minimal risk, 1 = maximum risk.

Segments

Top 500 segments by sports score

IDSurfaceLengthSportsMotoEV

Showing top 500 of 1289 segments

API reference

Road aggregate data via the Contour API

GET/api/v1/roads/south-western-highway-waRoad aggregate - scores, stats, risk profile, activity, segment list

GET/api/v1/roads/search?q=South%20Western%20Highway&state=WASearch roads by name

Councils & Government

This road is part of WA's road network. Contour scores every road in Australia for surface condition, curviness, grey spot classification, and 4WD track passability. If your organisation manages this road or promotes tourism in the region, this data is available via API.

Enquire about council data access →

Frequently asked questions

How long is South Western Highway?+

South Western Highway is approximately 396 km long. At typical touring speeds, expect around 5.5 hours of driving end to end, excluding stops.

Is South Western Highway sealed?+

Yes. South Western Highway is fully sealed for its entire length.

Is South Western Highway good for motorcycles?+

It is passable. South Western Highway scores 5.9/10 for motorcycles. Consider it a connector rather than a destination ride.

Can I drive South Western Highway in a caravan?+

Yes. South Western Highway scores 6.6/10 for caravans, making it a reasonable choice for towing. Watch for changes in surface and any steep gradients.

Is South Western Highway good for an EV?+

Yes. South Western Highway scores 6.5/10 for EVs. Regenerative braking on any elevation changes and smooth throttle control on the corners will both feel at home here.

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Road data last updated: 2 May 2026. Scores are based on road geometry, surface, and traffic data. Always drive to conditions and follow local road rules.

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