Ridgway Road

SAUnclassified road10.8 km24 segments

2.4Sports

7.2Safety

10.8 kmTotal length

24Segments

24Grey spot segments

Ridgway Road is a 11 km unsealed road in South Australia, Australia. It scores 5.7/10 for 4WDs with straight corners and rough surface.

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Vehicle scores

2.4/10

SPTSportsSealed roads, curviness, mountain passes

4.6/10

MOTMotoTight bends, switchbacks, technical roads

4.0/10

EVEVSmooth surface, sealed roads, range-friendly

5.7/10

4WD4WDGravel access, off-road suitability

2.6/10

VANCaravanSmooth sealed, gentle grades, no steep passes

Segment quality distribution

Sports score - 24 segments

Poor (<4)100%

Sports score IQR: 2.4 - 2.4

Surface

Surface coverage

Unsealed100%

Score breakdown

Median component scores across all segments

Surface

3.0

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

Curviness

0.5

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

4.0

Elevation change per kilometre. More climbing = higher score.

Crash history

Aggregated across all 24 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

7.2/10 safety score - higher is safer

Wet road exposure52%

Night driving risk51%

Wind exposure48%

Sun glare risk72%

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 35 segments by sports score

IDSurfaceLengthSportsMotoEV

#108725905Asphalt0.50 km4.46.57.4 #109231159Asphalt0.62 km4.16.16.9 #108725912Asphalt0.30 km3.95.86.8 #109231160Asphalt0.12 km3.95.76.7 #108725906Asphalt0.59 km3.95.66.7 #108725909Asphalt0.40 km3.95.66.7 #109231161Asphalt0.14 km3.85.66.6 #108725907Asphalt0.46 km3.85.56.4 #108725911Asphalt0.49 km3.85.56.4 #108725908Asphalt0.46 km3.85.56.4 #108725910Asphalt0.50 km3.85.56.4 #104019722Unpaved0.50 km2.44.54.0 #104019724Unpaved0.50 km2.46.04.0 #104019726Unpaved0.50 km2.44.64.0 #104019727Unpaved0.50 km2.44.44.0 #104019728Unpaved0.50 km2.44.54.0 #104019729Unpaved0.50 km2.46.04.0 #104019730Unpaved0.50 km2.44.64.0 #104019732Unpaved0.50 km2.44.74.0 #104019733Unpaved0.45 km2.44.34.0 #104019734Unpaved0.15 km2.44.34.0 #104019735Unpaved0.09 km2.44.94.0 #104019719Unpaved0.50 km2.44.34.0 #104019716Unpaved0.50 km2.45.04.0 #104019715Unpaved0.50 km2.45.44.0 #104019714Unpaved0.50 km2.45.64.0 #104019723Unpaved0.50 km2.44.54.0 #104019725Unpaved0.50 km2.44.44.0 #104019731Unpaved0.50 km2.46.04.0 #104019713Unpaved0.50 km2.46.04.0 #104019712Unpaved0.45 km2.44.64.0 #104019718Unpaved0.50 km2.44.54.0 #104019717Unpaved0.50 km2.45.44.0 #104019720Unpaved0.15 km2.44.54.0 #104019721Unpaved0.50 km2.44.54.0

API reference

Road aggregate data via the Contour API

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

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

Ridgway Road is approximately 11 km long. At typical touring speeds, expect around 1 hour of driving end to end, excluding stops.

Is Ridgway Road sealed?+

No. Ridgway Road is unsealed for its entire scored length. A vehicle suited to gravel or dirt is recommended.

Is Ridgway Road good for motorcycles?+

It is passable. Ridgway Road scores 4.6/10 for motorcycles. Consider it a connector rather than a destination ride.

Can I drive Ridgway Road in a caravan?+

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

Is Ridgway Road suitable for a 4WD?+

Ridgway Road scores 5.7/10 for 4WDs. Passable but not a standout. Check recent condition reports for surface state.

Are there any dangerous sections on Ridgway Road?+

Contour has identified 24 grey spots on Ridgway 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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