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Casterton Road

SAPrimary road6.5 km13 segmentsC198
7.8Sports
6.5 kmTotal length
13Segments
2Recorded crashes
11Grey spot segments

Casterton Road is a 6 km sealed primary route in South Australia, Australia. It scores 8.2/10 for caravans with gently winding corners and excellent surface. It also rates well for sports cars and EVs and motorcycles.

7-day forecast

Vehicle scores
7.8/10
SPTSportsSealed roads, curviness, mountain passes
7.7/10
MOTMotoTight bends, switchbacks, technical roads
7.7/10
EVEVSmooth surface, sealed roads, range-friendly
6.5/10
4WD4WDGravel access, off-road suitability
8.2/10
VANCaravanSmooth sealed, gentle grades, no steep passes
Segment quality distribution
Sports score - 13 segments
Excellent (8+)46%Good (6-8)54%

Sports score IQR: 6.6 - 8.1

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
5.7
Median curviness. Higher scores mean more bends per kilometre.
Speed
10.0
Speed limit suitability. Sweet spot is 60-110 km/h.
Road classPrimary road
5.0
Road classification. Motorways score zero. Tertiary roads score 9.
Traffic
10.0
Estimated traffic density. Lower traffic = higher score.
Elevation
4.0
Elevation change per kilometre. More climbing = higher score.
Crash history
Aggregated across all 13 segments· 10 years of data
2
Total crashes
0
Fatalities
0
Serious injuries
11
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

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.

Traffic volume
Annual average daily traffic
340vehicles per day (median)

Coverage: 100% of segments have AADT data. Based on traffic count surveys - actual volumes vary by season.

Road environment
Geometry and climate-derived risk indicators
7.5/10 safety score - higher is safer
Wet road exposure43%
Night driving risk40%
Wind exposure46%
Sun glare risk83%
Wildlife strike risk11%

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

Segments
API reference
Road aggregate data via the Contour API
GET/api/v1/roads/casterton-road-saRoad aggregate - scores, stats, risk profile, activity, segment list
GET/api/v1/roads/search?q=Casterton%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 Casterton Road?+

Casterton Road is approximately 6 km long. At typical touring speeds, expect around 1 hour of driving end to end, excluding stops.

Is Casterton Road sealed?+

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

Is Casterton Road good for motorcycles?+

Yes. Casterton Road scores 7.7/10 for motorcycles, placing it among the stronger rides in the region. Corners, surface and elevation all contribute to the rating.

Can I drive Casterton Road in a caravan?+

Yes. Casterton Road scores 8.2/10 for caravans, making it a reasonable choice for towing. Watch for changes in surface and any steep gradients.

Is Casterton Road good for an EV?+

Yes. Casterton Road scores 7.7/10 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 Casterton Road?+

Contour has identified 11 grey spots on Casterton Road - sections where the road geometry does not match the posted speed limit. Take extra care in wet or low-visibility conditions.

Similar roads

Road data last updated: 16 April 2026. Scores are based on road geometry, surface, and traffic data. Always drive to conditions and follow local road rules.