Nicholls Road

SAUnclassified road7.1 km16 segments

2.4Sports

6.0Safety

7.1 kmTotal length

16Segments

16Grey spot segments

Nicholls Road is a 7 km sealed road in South Australia, Australia. It scores 5.0/10 for 4WDs with straight corners and rough surface.

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Vehicle scores

2.4/10

SPTSportsSealed roads, curviness, mountain passes

4.0/10

MOTMotoTight bends, switchbacks, technical roads

4.0/10

EVEVSmooth surface, sealed roads, range-friendly

5.0/10

4WD4WDGravel access, off-road suitability

2.6/10

VANCaravanSmooth sealed, gentle grades, no steep passes

Segment quality distribution

Sports score - 16 segments

Poor (<4)100%

Sports score IQR: 2.4 - 2.4

Surface

Surface coverage

Sealed16%Unsealed84%

Score breakdown

Median component scores across all segments

Surface

3.0

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

Curviness

0.0

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.

Road intel

Grey spots16 of 16 segments

Segments where curvature is tighter than the posted speed limit. Geometry alone flags these as higher risk, no crash history required.

Wet riskElevated

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.

Crash history

Aggregated across all 16 segments· 10 years of data

Grey spots

Last 5 years

Crashes (5yr)

Fatalities (5yr)

SA avg: 0.843 crashes/km/yrThis road: 2.309▲ Above average

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

Wet road exposure59%

Night driving risk57%

Wind exposure53%

Sun glare risk91%

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 55 segments by sports score

IDSurfaceLengthSportsMotoEV

#104171844Asphalt0.50 km8.18.18.2 #104664088Asphalt0.16 km6.76.67.1 #104171845Asphalt0.09 km6.05.96.6 #104664089Asphalt0.01 km5.04.85.8 #104584672Paved0.18 km4.87.38.1 #104171842Asphalt0.02 km4.54.34.9 #104171436Gravel0.50 km4.06.54.0 #104171439Gravel0.10 km4.04.44.0 #104684805Paved0.50 km3.95.96.8 #104584671Paved0.12 km3.95.87.1 #104684806Paved0.50 km3.95.86.7 #104772117Paved0.02 km3.85.67.0 #104684808Paved0.50 km3.75.56.4 #104684809Paved0.13 km3.55.26.2 #104684807Paved0.07 km3.55.16.1 #104684804Paved0.50 km3.55.16.1 #104321316-0.50 km3.23.23.3 #104321318-0.07 km3.13.13.2 #104473151Dirt0.46 km2.44.44.0 #104477018Gravel0.40 km2.46.04.0 #104477019Gravel0.50 km2.46.04.0 #104477021Gravel0.50 km2.46.04.0 #104477022Gravel0.50 km2.46.04.0 #104477023Gravel0.35 km2.46.04.0 #104477024Gravel0.40 km2.46.04.0 #104495991Unpaved0.17 km2.45.34.0 #104495982Unpaved0.50 km2.43.84.0 #104495983Unpaved0.50 km2.43.84.0 #104495984Unpaved0.50 km2.44.04.0 #104495985Unpaved0.50 km2.43.84.0 #104495986Unpaved0.50 km2.44.34.0 #104495987Unpaved0.50 km2.44.04.0 #104495988Unpaved0.50 km2.43.84.0 #104495989Unpaved0.50 km2.44.04.0 #104495990Unpaved0.50 km2.44.04.0 #104567399Unpaved0.50 km2.46.04.0 #104567400Unpaved0.50 km2.44.24.0 #104567401Unpaved0.50 km2.45.94.0 #104473149Dirt0.50 km2.44.54.0 #104473148Dirt0.50 km2.44.34.0 #104473147Dirt0.50 km2.46.04.0 #104473146Dirt0.50 km2.46.04.0 #104840180Unpaved0.50 km2.44.74.0 #104840181Unpaved0.42 km2.43.84.0 #104840182Unpaved0.50 km2.43.84.0 #104840183Unpaved0.50 km2.46.04.0 #104840184Unpaved0.50 km2.45.74.0 #104473145Dirt0.50 km2.46.04.0 #104473144Dirt0.50 km2.46.04.0 #104473143Dirt0.50 km2.44.14.0 #104473142Dirt0.50 km2.46.04.0 #104840185Unpaved0.00 km2.43.84.0 #104567402Unpaved0.16 km2.44.34.0 #104473150Dirt0.50 km2.44.34.0 #104477020Gravel0.21 km2.46.04.0

API reference

Road aggregate data via the Contour API

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

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

Nicholls Road is approximately 7 km long. At typical touring speeds, expect around 1 hour of driving end to end, excluding stops.

Is Nicholls Road sealed?+

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

Is Nicholls Road good for motorcycles?+

Not really. Nicholls Road scores 4.0/10 for motorcycles. Look for higher-rated alternatives nearby.

Can I drive Nicholls Road in a caravan?+

Not recommended. Nicholls 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 Nicholls Road?+

Contour has identified 16 grey spots on Nicholls 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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