Yacka Road

SAUnclassified road12.3 km30 segments

2.4Sports

6.9Safety

12.3 kmTotal length

30Segments

30Grey spot segments

Yacka Road is a 12 km sealed road in South Australia, Australia. It scores 6.6/10 for 4WDs with flowing corners and rough surface.

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Vehicle scores

2.4/10

SPTSportsSealed roads, curviness, mountain passes

5.9/10

MOTMotoTight bends, switchbacks, technical roads

4.0/10

EVEVSmooth surface, sealed roads, range-friendly

6.6/10

4WD4WDGravel access, off-road suitability

2.6/10

VANCaravanSmooth sealed, gentle grades, no steep passes

Segment quality distribution

Sports score - 30 segments

Excellent (8+)13%Good (6-8)23%Fair (4-6)10%Poor (<4)53%

Sports score IQR: 2.4 - 6.1

Surface

Surface coverage

Sealed46%Unsealed54%

Score breakdown

Median component scores across all segments

Surface

3.0

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

Curviness

6.2

Median curviness. Higher scores mean more bends per kilometre.

Speed

7.0

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

Road classUnclassified road

8.0

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

Traffic

9.0

Estimated traffic density. Lower traffic = higher score.

Elevation

4.0

Elevation change per kilometre. More climbing = higher score.

Crash history

Aggregated across all 30 segments

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.

Road environment

Geometry and climate-derived risk indicators

6.9/10 safety score - higher is safer

Wet road exposure53%

Night driving risk55%

Wind exposure51%

Sun glare risk89%

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 32 segments by sports score

IDSurfaceLengthSportsMotoEV

#104667004Asphalt0.50 km8.68.58.4 #104667017Asphalt0.43 km8.58.48.5 #104667006Asphalt0.50 km8.48.38.3 #104667008Asphalt0.50 km8.48.28.2 #104667007Asphalt0.50 km8.07.77.9 #104667009Asphalt0.50 km7.77.47.6 #104020828-0.32 km6.67.06.5 #104667013Asphalt0.50 km6.25.86.3 #104667015Asphalt0.50 km6.15.76.3 #104667011Asphalt0.50 km6.15.76.3 #104667014Asphalt0.06 km6.15.76.3 #104667005Asphalt0.50 km6.15.76.3 #104667010Asphalt0.21 km6.05.56.1 #104667012Asphalt0.43 km6.05.56.1 #104667016Asphalt0.17 km6.05.56.1 #104020829-0.10 km4.14.34.5 #104858435Unpaved0.43 km2.46.04.0 #104858436Unpaved0.50 km2.46.04.0 #104858437Unpaved0.50 km2.46.04.0 #104858434Unpaved0.50 km2.45.94.0 #104320507Unpaved0.50 km2.45.44.0 #104858438Unpaved0.16 km2.46.04.0 #104320480Unpaved0.50 km2.46.04.0 #104320509Unpaved0.50 km2.46.04.0 #104320514Unpaved0.12 km2.44.84.0 #104320512Unpaved0.50 km2.44.84.0 #104320476Unpaved0.10 km2.44.94.0 #104320478Unpaved0.50 km2.45.04.0 #104320501Unpaved0.24 km2.46.04.0 #104320504Unpaved0.50 km2.46.04.0 #104320505Unpaved0.50 km2.45.44.0 #104320510Unpaved0.42 km2.46.04.0

API reference

Road aggregate data via the Contour API

GET/api/v1/roads/yacka-road-saRoad aggregate - scores, stats, risk profile, activity, segment list

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

Yacka Road is approximately 12 km long. At typical touring speeds, expect around 1 hour of driving end to end, excluding stops.

Is Yacka Road sealed?+

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

Is Yacka Road good for motorcycles?+

It is passable. Yacka Road scores 5.9/10 for motorcycles. Consider it a connector rather than a destination ride.

Can I drive Yacka Road in a caravan?+

Not recommended. Yacka Road scores 2.6/10 for caravans due to geometry, surface or gradient. Consider an alternative route if towing.

Are there any dangerous sections on Yacka Road?+

Contour has identified 30 grey spots on Yacka 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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