Ring Road

SATertiary road1.6 km14 segments

5.8Sports

1.6 kmTotal length

14Segments

26Grey spot segments

Ring Road is a 2 km sealed tertiary route in South Australia, Australia. It scores 6.5/10 for EVs with straight corners and excellent surface.

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Vehicle scores

5.8/10

SPTSportsSealed roads, curviness, mountain passes

5.7/10

MOTMotoTight bends, switchbacks, technical roads

6.5/10

EVEVSmooth surface, sealed roads, range-friendly

4.9/10

4WD4WDGravel access, off-road suitability

4.0/10

VANCaravanSmooth sealed, gentle grades, no steep passes

Segment quality distribution

Sports score - 14 segments

Excellent (8+)15%Good (6-8)19%Fair (4-6)50%Poor (<4)15%

Sports score IQR: 5.2 - 6.0

Surface

Surface coverage

Sealed13%Unsealed87%

Score breakdown

Median component scores across all segments

Surface

10.0

Median surface quality. Smooth sealed asphalt scores 10. Chipseal 8. Gravel 5.

Curviness

0.4

Median curviness. Higher scores mean more bends per kilometre.

Speed

4.0

Speed limit suitability. Sweet spot is 60-110 km/h.

Road classTertiary road

9.0

Road classification. Motorways score zero. Tertiary roads score 9.

Traffic

9.0

Estimated traffic density. Lower traffic = higher score.

Elevation

9.0

Elevation change per kilometre. More climbing = higher score.

Crash history

Aggregated across all 14 segments· 10 years of data

Grey spots

Crash record linkage not yet available for SA. Grey spots are segments where curvature geometry mismatches the posted speed limit - these are flagged regardless of crash history.

When is this road risky?

Crash conditions - share of recorded crashes by circumstance

Wet road crashes

Crashes that occurred in wet conditions

Night crashes

Crashes that occurred after dark

Based on 10 years of crash records linked to road geometry. Crash breakdown (night, wet, weekends): VIC data 2012-2024. Other states show aggregate counts only.

Road environment

Geometry and climate-derived risk indicators

6.8/10 safety score - higher is safer

Wet road exposure62%

Night driving risk59%

Wind exposure52%

Sun glare risk66%

Wildlife strike risk11%

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

Segments

Top 65 segments by sports score

IDSurfaceLengthSportsMotoEV

#104069450Asphalt0.25 km8.78.88.8 #104069431Asphalt0.39 km8.78.78.8 #104069410Asphalt0.26 km8.78.78.8 #104069448Asphalt0.19 km8.58.58.7 #104069437Asphalt0.09 km6.86.77.3 #104790405Asphalt0.07 km6.66.57.2 #104069435Asphalt0.08 km6.05.96.6 #104641812Asphalt0.05 km6.05.86.6 #104641782Asphalt0.05 km6.05.86.7 #104641783Asphalt0.02 km5.95.76.5 #104069433Asphalt0.09 km5.95.76.5 #104069453Asphalt0.11 km5.95.76.5 #104790406Asphalt0.03 km5.85.76.6 #104069452Asphalt0.03 km5.85.76.6 #104069439Asphalt0.07 km5.85.76.3 #104069446Asphalt0.03 km5.85.66.4 #104069444Asphalt0.01 km5.85.66.4 #104641784Asphalt0.02 km5.65.46.1 #104069442Asphalt0.02 km5.35.15.7 #104790409Asphalt0.01 km5.24.95.4 #104641811Asphalt0.04 km5.24.95.4 #104069440Asphalt0.00 km5.24.95.4 #104641815Asphalt0.04 km3.55.26.6 #104453096Asphalt0.03 km3.45.26.6 #104453095Asphalt0.03 km3.24.85.8 #104453097Asphalt0.03 km3.14.75.8 #104156734Unpaved0.50 km2.44.34.0 #104156736Unpaved0.33 km2.45.04.0 #104873148Unpaved0.50 km2.46.04.0 #104873141Unpaved0.03 km2.45.14.0 #104873152Unpaved0.03 km2.44.24.0 #103963485Unpaved0.50 km2.44.04.0 #103963494Unpaved0.09 km2.44.74.0 #103963487Unpaved0.50 km2.44.24.0 #103963489Unpaved0.43 km2.46.04.0 #103963492Unpaved0.11 km2.44.34.0 #103963496Unpaved0.14 km2.45.24.0 #104679521Unpaved0.16 km2.44.44.0 #104679523Unpaved0.01 km2.43.84.0 #104156729Unpaved0.50 km2.44.54.0 #104451032Unpaved0.50 km2.44.34.0 #104451033Unpaved0.50 km2.45.84.0 #104451034Unpaved0.50 km2.44.54.0 #104451035Unpaved0.03 km2.44.54.0 #104451036Unpaved0.33 km2.46.04.0 #103963490Unpaved0.39 km2.44.74.0 #104679497Unpaved0.50 km2.46.04.0 #104679499Unpaved0.49 km2.46.04.0 #104679513Unpaved0.50 km2.46.04.0 #104679515Unpaved0.46 km2.46.04.0 #104679519Unpaved0.50 km2.46.04.0 #104873137Unpaved0.43 km2.46.04.0 #104873139Unpaved0.27 km2.46.04.0 #104873143Unpaved0.33 km2.44.14.0 #104873144Unpaved0.29 km2.44.94.0 #104873146Unpaved0.11 km2.44.64.0 #104156726Unpaved0.50 km2.44.44.0 #104156733Unpaved0.50 km2.46.04.0 #104156735Unpaved0.50 km2.46.04.0 #104156727Unpaved0.24 km2.44.34.0 #104156728Unpaved0.50 km2.44.34.0 #104451031Unpaved0.50 km2.45.44.0 #104156730Unpaved0.50 km2.44.54.0 #104156731Unpaved0.17 km2.44.54.0 #104156732Unpaved0.50 km2.44.54.0

API reference

Road aggregate data via the Contour API

GET/api/v1/roads/ring-road-sa-3Road aggregate - scores, stats, risk profile, activity, segment list

GET/api/v1/roads/search?q=Ring%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 Ring Road?+

Ring Road is approximately 2 km long. At typical touring speeds, expect around 1 hour of driving end to end, excluding stops.

Is Ring Road sealed?+

Yes. Ring Road is fully sealed for its entire length.

Is Ring Road good for motorcycles?+

It is passable. Ring Road scores 5.7/10 for motorcycles. Consider it a connector rather than a destination ride.

Can I drive Ring Road in a caravan?+

With care. Ring Road scores 4.0/10 for caravans. Some sections may be tight or rough for a heavy tow.

Is Ring Road good for an EV?+

Yes. Ring Road 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.

Are there any dangerous sections on Ring Road?+

Contour has identified 26 grey spots on Ring 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: 23 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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