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Zadow Road

SAUnclassified road4.6 km14 segments
4.0Sports
6.4Safety
4.6 kmTotal length
14Segments
1Recorded crashes
2Grey spot segments
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Zadow Road is a 4.6 km sealed road in South Australia, Australia. It scores 7.2/10 for 4WDs with flowing corners and solid surface.

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Vehicle scores
4.0/10
SPTSportsSealed roads, curviness, mountain passes
6.8/10
MOTMotoTight bends, switchbacks, technical roads
6.7/10
EVEVSmooth surface, sealed roads, range-friendly
7.2/10
4WD4WDGravel access, off-road suitability
3.5/10
VANCaravanSmooth sealed, gentle grades, no steep passes
Segment quality distribution
Sports score - 14 segments
Fair (4-6)61%Poor (<4)39%

Sports score IQR: 2.4 - 4.8

Surface
Surface coverage
Sealed22%Unsealed78%
Score breakdown
Median component scores across all segments
Surface
7.7
Median surface quality. Smooth sealed asphalt scores 10. Chipseal 8. Gravel 5.
Curviness
6.7
Median curviness. Higher scores mean more bends per kilometre.
Speed
10.0
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
5.1
Elevation change per kilometre. More climbing = higher score.
Road intel
Grey spots2 of 14 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 14 segments· 10 years of data
1
Total crashes
0
Fatalities
1
Serious injuries
2
Grey spots
Last 5 years
1
Crashes (5yr)
0
Fatalities (5yr)
SA avg: 0.844 crashes/km/yrThis road: 0.399▼ Below average

Source: State crash data linked to road geometry. Grey spots are segments where curvature geometry mismatches the posted speed limit.

When is this road risky?
Crash conditions - share of recorded crashes by circumstance

Wet road crashes

Crashes that occurred in wet conditions

0%

Night crashes

Crashes that occurred after dark

0%

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 exposure61%
Night driving risk66%
Wind exposure53%
Sun glare risk76%
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 36 segments by sports score
IDSurfaceLengthSportsMotoEV
#139954350Paved0.50 km5.38.28.8#139954349Paved0.50 km5.28.08.7#139954353Paved0.50 km5.17.88.6#139954352Paved0.33 km4.97.58.1#139954351Paved0.50 km4.36.57.3#139954348Paved0.50 km4.36.37.2#139954355Paved0.02 km4.05.87.0#139954354Paved0.09 km3.75.46.3#139954356Paved0.18 km3.75.46.3#140050195Gravel0.50 km2.46.04.0#140050200Gravel0.32 km2.46.04.0#140050199Gravel0.50 km2.46.04.0#140102030Unpaved0.50 km2.44.54.0#140078722Unpaved0.50 km2.43.84.0#140078718Unpaved0.50 km2.44.04.0#139954286Unpaved0.06 km2.44.54.0#140050196Gravel0.50 km2.46.04.0#140102026Unpaved0.50 km2.45.94.0#140078719Unpaved0.50 km2.45.24.0#140102028Unpaved0.50 km2.45.44.0#140078721Unpaved0.50 km2.43.84.0#140078720Unpaved0.50 km2.45.64.0#140050197Gravel0.50 km2.46.04.0#140169980Unpaved0.50 km2.46.04.0#139954284Unpaved0.50 km2.46.04.0#140154833Unpaved0.06 km2.44.64.0#140078717Unpaved0.50 km2.43.84.0#140050198Gravel0.50 km2.46.04.0#140154834Unpaved0.39 km2.46.04.0#139954285Unpaved0.50 km2.46.04.0#140102029Unpaved0.50 km2.46.04.0#140102027Unpaved0.50 km2.46.04.0#140078723Unpaved0.07 km2.44.04.0#140169981Unpaved0.05 km2.44.94.0#140102031Unpaved0.17 km2.44.54.0#140102025Unpaved0.50 km2.46.04.0
API reference
Road aggregate data via the Contour API
GET/api/v1/roads/zadow-road-saRoad aggregate - scores, stats, risk profile, activity, segment list
GET/api/v1/roads/search?q=Zadow%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 Zadow Road?+

Zadow Road is approximately 4.6 km long. At typical touring speeds, expect a few minutes of driving end to end, excluding stops.

Is Zadow Road sealed?+

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

Is Zadow Road good for motorcycles?+

It rates well. Zadow Road scores 6.8/10 for motorcycles, with enough character to be worth the trip for most riders.

Can I drive Zadow Road in a caravan?+

Not recommended. Zadow Road scores 3.5/10 for caravans due to geometry, surface or gradient. Consider an alternative route if towing.

Is Zadow Road good for an EV?+

Yes. Zadow Road scores 6.7/10 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 Zadow Road?+

Contour has identified 2 grey spots on Zadow 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: 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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