Downer Avenue

SAResidential road1.4 km7 segments

5.2Sports

7.6Safety

1.4 kmTotal length

7Segments

6Recorded crashes

Downer Avenue is a 1.4 km sealed residential street in South Australia, Australia. It scores 7.9/10 for EVs with flowing corners and excellent surface. It also rates well for motorcycles.

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Vehicle scores

5.2/10

SPTSportsSealed roads, curviness, mountain passes

7.1/10

MOTMotoTight bends, switchbacks, technical roads

7.9/10

EVEVSmooth surface, sealed roads, range-friendly

6.7/10

4WD4WDGravel access, off-road suitability

5.0/10

VANCaravanSmooth sealed, gentle grades, no steep passes

Segment quality distribution

Sports score - 7 segments

Good (6-8)16%Fair (4-6)84%

Sports score IQR: 4.3 - 5.3

Surface

Surface coverage

Sealed100%

Score breakdown

Median component scores across all segments

Surface

10.0

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

Curviness

7.2

Median curviness. Higher scores mean more bends per kilometre.

Speed

6.2

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

Road classResidential road

7.5

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

Traffic

6.7

Estimated traffic density. Lower traffic = higher score.

Elevation

8.3

Elevation change per kilometre. More climbing = higher score.

Road intel

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 exposureHigh

Average wind exposure across segments, based on measured wind speed, terrain and shelter. Relevant for motorcycles and caravans.

Crash history

Aggregated across all 7 segments· 10 years of data

Total crashes

Fatalities

Serious injuries

Grey spots

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

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 exposure53%

Night driving risk71%

Wind exposure63%

Sun glare risk13%

Wildlife strike risk13%

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

Segments

Top 13 segments by sports score

IDSurfaceLengthSportsMotoEV

#139856481Asphalt0.45 km7.37.37.2 #139969064Asphalt0.21 km6.46.36.7 #139839632Asphalt0.23 km5.48.49.2 #139839629Asphalt0.50 km5.27.98.8 #140054045Asphalt0.23 km4.54.34.9 #139969066Asphalt0.06 km4.54.34.9 #140054044Asphalt0.05 km4.54.34.9 #139856480Asphalt0.09 km4.54.34.9 #139839631Asphalt0.18 km4.46.77.8 #139969065Asphalt0.06 km4.34.14.7 #140054043Asphalt0.35 km4.34.14.7 #139997555Asphalt0.10 km4.23.84.5 #139839630Asphalt0.10 km4.26.37.5

API reference

Road aggregate data via the Contour API

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

GET/api/v1/roads/search?q=Downer%20Avenue&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 Downer Avenue?+

Downer Avenue is approximately 1.4 km long. At typical touring speeds, expect a few minutes of driving end to end, excluding stops.

Is Downer Avenue sealed?+

Yes. Downer Avenue is fully sealed for its entire length.

Is Downer Avenue good for motorcycles?+

It rates well. Downer Avenue scores 7.1/10 for motorcycles, with enough character to be worth the trip for most riders.

Can I drive Downer Avenue in a caravan?+

With care. Downer Avenue scores 5.0/10 for caravans. Some sections may be tight or rough for a heavy tow.

Is Downer Avenue good for an EV?+

Yes. Downer Avenue scores 7.9/10 for EVs. Regenerative braking on any elevation changes and smooth throttle control on the corners will both feel at home here.

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Road data last updated: 28 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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