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Marion Bay Road

SASecondary road40.0 km91 segments
7.3Sports
8.1Safety
40.0 kmTotal length
91Segments
2Recorded crashes
89Grey spot segments
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Marion Bay Road is a 40 km sealed secondary route in South Australia, Australia. It scores 7.8/10 for caravans with gently winding corners and excellent surface. It also rates well for sports cars and EVs.

7-day forecast

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Scores par véhicule
7.3/10
SPTSportRoutes revêtues, sinuosité, cols de montagne
7.0/10
MOTMotoVirages serrés, lacets, routes techniques
7.2/10
VEVESurface lisse, routes revêtues, compatible avec l'autonomie
5.7/10
4x44x4Accès gravier, aptitude hors-route
7.8/10
VANCaravaneRevêtement lisse, pentes douces, pas de cols raides
Distribution de qualité des tronçons
Score Sport - 91 tronçons
Excellent (8+)26%Bon (6-8)57%Correct (4-6)16%

IQR score Sport : 6.1 - 8.0

Surface
Surface coverage
Sealed100%
Détail du score
Scores médians des composants sur tous les tronçons
Surface
10.0
Qualité de surface médiane. Bitume lisse = 10. Gravillonnage = 8. Gravier = 5.
Sinuosité
4.7
Sinuosité médiane. Plus le score est élevé, plus la route a de virages par kilomètre.
Vitesse
10.0
Adéquation à la limite de vitesse. Sweet spot à 60-110 km/h.
Classe de routeSecondary road
8.0
Classification routière. Les autoroutes ont zéro. Les routes tertiaires ont 9.
Trafic
7.0
Densité de trafic estimée. Moins de trafic = score plus élevé.
Dénivelé
4.0
Changement d'altitude par kilomètre. Plus ça monte = score plus élevé.
Historique des accidents
Agrégé sur les 91 tronçons· 10 ans de données
2
Total des accidents
0
Décès
0
Blessures graves
89
Zones grises

Source : données d'accidents d'État liées à la géométrie routière. Les zones grises sont des tronçons où la géométrie de courbure ne correspond pas à la limite de vitesse affichée.

Quand cette route est-elle risquée ?
Conditions d'accident - part des accidents enregistrés par circonstance

Accidents sur route mouillée

Accidents survenus en conditions humides

0%

Accidents de nuit

Accidents survenus après la tombée de la nuit

0%

Basé sur 10 ans de registres d'accidents liés à la géométrie routière. Détail des accidents (nuit, pluie, week-ends) : données VIC 2012-2024. Les autres États n'affichent que les totaux agrégés.

Environnement routier
Indicateurs de risque dérivés de la géométrie et du climat
8.1/10 score de sécurité - plus élevé = plus sûr
Exposition route mouillée36%
Risque de conduite de nuit51%
Exposition au vent44%
Risque d'éblouissement36%
Risque de collision avec la faune11%

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

Segments
Top 91 segments by sports score
IDSurfaceLengthSportsMotoEV
#104033590Asphalt0.50 km8.68.58.4#104033605Asphalt0.50 km8.68.58.4#104033607Asphalt0.50 km8.68.58.4#103982135Asphalt0.50 km8.68.58.4#104033609Asphalt0.50 km8.58.48.3#104033589Asphalt0.50 km8.58.38.4#104033591Asphalt0.50 km8.48.38.3#104033587Asphalt0.50 km8.48.38.2#104033582Asphalt0.50 km8.48.38.2#104033608Asphalt0.50 km8.48.28.2#104033592Asphalt0.25 km8.38.28.3#104033578Asphalt0.50 km8.38.28.2#103982144Asphalt0.50 km8.38.18.1#104033619Asphalt0.24 km8.38.28.2#104033597Asphalt0.32 km8.38.18.1#104033593Asphalt0.50 km8.38.18.1#103982149Asphalt0.50 km8.28.18.1#104033588Asphalt0.50 km8.28.08.0#104033594Asphalt0.50 km8.18.08.0#104033603Asphalt0.50 km8.17.98.0#104033600Asphalt0.50 km8.17.98.0#104033614Asphalt0.50 km8.17.98.0#103982150Asphalt0.50 km8.07.87.9#104033576Asphalt0.50 km8.07.88.1#104033595Asphalt0.50 km8.07.77.8#104033606Asphalt0.50 km7.97.77.8#103982120Asphalt0.50 km7.97.77.8#103982141Asphalt0.50 km7.97.67.6#104033615Asphalt0.30 km7.97.67.8#103982131Asphalt0.50 km7.87.67.7#104033611Asphalt0.50 km7.87.67.7#103982119Asphalt0.16 km7.87.57.7#104033579Asphalt0.50 km7.77.57.7#104033616Asphalt0.50 km7.77.47.5#104033613Asphalt0.50 km7.67.47.6#103982151Asphalt0.50 km7.67.37.4#103982158Asphalt0.50 km7.67.37.5#103982123Asphalt0.50 km7.57.27.5#104033610Asphalt0.50 km7.57.27.5#104033601Asphalt0.50 km7.57.27.3#104033584Asphalt0.50 km7.47.17.3#104033583Asphalt0.50 km7.47.17.4#104033596Asphalt0.50 km7.47.17.3#103982156Asphalt0.50 km7.47.17.2#104033612Asphalt0.18 km7.37.07.3#104033617Asphalt0.50 km7.37.07.2#104033618Asphalt0.31 km7.26.97.2#104033586Asphalt0.50 km7.26.97.2#103982116Asphalt0.50 km7.27.06.9#104033602Asphalt0.50 km7.16.87.2#103982155Asphalt0.50 km7.16.87.2#104033604Asphalt0.50 km7.06.77.0#104033585Asphalt0.50 km6.96.67.0#104033577Asphalt0.00 km6.66.37.2#103982148Asphalt0.03 km6.46.06.8#103982159Asphalt0.04 km6.46.06.8#103982143Asphalt0.50 km6.35.96.4#103982153Asphalt0.50 km6.35.96.3#104033575Asphalt0.50 km6.25.86.4#104033599Asphalt0.50 km6.25.86.4#103982130Asphalt0.50 km6.25.86.4#103982126Asphalt0.50 km6.25.86.4#104033580Asphalt0.19 km6.25.86.4#104033581Asphalt0.03 km6.15.76.3#104033598Asphalt0.14 km6.15.76.3#103982124Asphalt0.50 km6.15.76.3#103982147Asphalt0.50 km6.15.76.3#103982146Asphalt0.50 km6.15.76.3#103982129Asphalt0.50 km6.15.76.3#103982154Asphalt0.05 km6.15.76.3#103982132Asphalt0.50 km6.15.76.3#103981673Asphalt0.35 km6.15.76.3#103982152Asphalt0.50 km6.15.76.3#103982128Asphalt0.50 km6.15.76.3#103981674Asphalt0.05 km6.15.76.3#103982137Asphalt0.50 km6.05.66.1#103982117Asphalt0.39 km6.05.56.1#103982118Asphalt0.50 km6.05.56.1#103982121Asphalt0.50 km6.05.56.1#103982122Asphalt0.50 km6.05.56.1#103982125Asphalt0.50 km6.05.56.1#103982127Asphalt0.50 km6.05.56.1#103982157Asphalt0.50 km6.05.56.1#103982133Asphalt0.50 km6.05.56.1#103982145Asphalt0.50 km6.05.56.1#103982134Asphalt0.50 km6.05.56.1#103982142Asphalt0.50 km6.05.56.1#103982136Asphalt0.50 km6.05.56.1#103982140Asphalt0.50 km6.05.56.1#103982139Asphalt0.50 km6.05.56.1#103982138Asphalt0.50 km6.05.56.1
API reference
Road aggregate data via the Contour API
GET/api/v1/roads/marion-bay-road-saRoad aggregate - scores, stats, risk profile, activity, segment list
GET/api/v1/roads/search?q=Marion%20Bay%20Road&state=SASearch roads by name

Councils & Government

This road is part of SA'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 Marion Bay Road?+

Marion Bay Road is approximately 40 km long. At typical touring speeds, expect around 1 hour of driving end to end, excluding stops.

Is Marion Bay Road sealed?+

Yes. Marion Bay Road is fully sealed for its entire length.

Is Marion Bay Road good for motorcycles?+

It rates well. Marion Bay Road scores 7.0/10 for motorcycles, with enough character to be worth the trip for most riders.

Can I drive Marion Bay Road in a caravan?+

Yes. Marion Bay Road scores 7.8/10 for caravans, making it a reasonable choice for towing. Watch for changes in surface and any steep gradients.

Is Marion Bay Road good for an EV?+

Yes. Marion Bay Road scores 7.2/10 for EVs. Regenerative braking on any elevation changes and smooth throttle control on the corners will both feel at home here.

Are there any dangerous sections on Marion Bay Road?+

Contour has identified 89 grey spots on Marion Bay Road - sections where the road geometry does not match the posted speed limit. Take extra care in wet or low-visibility conditions.

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Road data last updated: 24 April 2026. Scores are based on road geometry, surface, and traffic data. Always drive to conditions and follow local road rules.

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