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Trowbridge Road

SAUnclassified road17.4 km38 segments
2.4Sports
7.1Safety
17.4 kmTotal length
38Segments
38Grey spot segments
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Trowbridge Road is a 17 km sealed road in South Australia, Australia. It scores 5.3/10 for 4WDs with straight corners and rough surface.

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Vehicle scores
2.4/10
SPTSportsSealed roads, curviness, mountain passes
4.2/10
MOTMotoTight bends, switchbacks, technical roads
4.0/10
EVEVSmooth surface, sealed roads, range-friendly
5.3/10
4WD4WDGravel access, off-road suitability
2.6/10
VANCaravanSmooth sealed, gentle grades, no steep passes
Segment quality distribution
Sports score - 38 segments
Poor (<4)100%

Sports score IQR: 2.4 - 2.4

Surface
Surface coverage
Sealed3%Unsealed97%
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.
Crash history
Aggregated across all 38 segments
38
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
7.1/10 safety score - higher is safer
Wet road exposure54%
Night driving risk48%
Wind exposure48%
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 59 segments by sports score
IDSurfaceLengthSportsMotoEV
#104787866Asphalt0.29 km5.07.68.2#104787867Asphalt0.17 km3.85.66.4#104787868Asphalt0.27 km3.75.46.4#104576121Unpaved0.50 km2.43.94.0#104576122Unpaved0.50 km2.43.84.0#104576123Unpaved0.50 km2.44.14.0#104576124Unpaved0.26 km2.44.24.0#104117771Unpaved0.35 km2.44.54.0#104139134Unpaved0.50 km2.44.44.0#104139138Unpaved0.50 km2.44.24.0#104139144Unpaved0.50 km2.44.04.0#104139145Unpaved0.50 km2.43.94.0#104139147Unpaved0.50 km2.44.04.0#104139148Unpaved0.25 km2.44.44.0#104117767Unpaved0.50 km2.45.64.0#104071614Unpaved0.50 km2.45.94.0#104071618Unpaved0.50 km2.44.54.0#104071624Unpaved0.50 km2.44.54.0#104071628Unpaved0.50 km2.44.54.0#104071630Unpaved0.50 km2.44.54.0#104071632Unpaved0.50 km2.44.54.0#104071650Unpaved0.15 km2.44.34.0#104120729Unpaved0.45 km2.43.84.0#104120730Unpaved0.03 km2.44.24.0#104120732Unpaved0.50 km2.43.84.0#104139132Unpaved0.50 km2.44.34.0#104139135Unpaved0.50 km2.44.04.0#104139136Unpaved0.50 km2.44.34.0#104139139Unpaved0.50 km2.43.94.0#104139143Unpaved0.50 km2.44.24.0#104120728Unpaved0.50 km2.43.84.0#104120731Unpaved0.50 km2.44.04.0#104117770Unpaved0.50 km2.44.04.0#104120724Unpaved0.50 km2.44.04.0#104120725Unpaved0.50 km2.44.14.0#104120726Unpaved0.50 km2.44.24.0#104120727Unpaved0.50 km2.44.04.0#104120733Unpaved0.50 km2.44.04.0#104120734Unpaved0.50 km2.44.14.0#104120735Unpaved0.19 km2.43.84.0#104139146Unpaved0.50 km2.44.24.0#104071616Unpaved0.50 km2.44.74.0#104071620Unpaved0.50 km2.44.44.0#104071622Unpaved0.50 km2.44.34.0#104071626Unpaved0.50 km2.44.44.0#104071634Unpaved0.50 km2.44.54.0#104071645Unpaved0.50 km2.44.34.0#104071648Unpaved0.50 km2.45.74.0#104117768Unpaved0.50 km2.43.84.0#104117769Unpaved0.50 km2.43.84.0#104139131Unpaved0.50 km2.43.94.0#104139133Unpaved0.34 km2.43.84.0#104139137Unpaved0.50 km2.43.84.0#104139140Unpaved0.50 km2.44.24.0#104139141Unpaved0.50 km2.44.24.0#104576118Unpaved0.50 km2.46.04.0#104139142Unpaved0.50 km2.44.64.0#104576119Unpaved0.50 km2.44.24.0#104576120Unpaved0.50 km2.45.54.0
API reference
Road aggregate data via the Contour API
GET/api/v1/roads/trowbridge-road-saRoad aggregate - scores, stats, risk profile, activity, segment list
GET/api/v1/roads/search?q=Trowbridge%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 Trowbridge Road?+

Trowbridge Road is approximately 17 km long. At typical touring speeds, expect around 1 hour of driving end to end, excluding stops.

Is Trowbridge Road sealed?+

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

Is Trowbridge Road good for motorcycles?+

It is passable. Trowbridge Road scores 4.2/10 for motorcycles. Consider it a connector rather than a destination ride.

Can I drive Trowbridge Road in a caravan?+

Not recommended. Trowbridge 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 Trowbridge Road?+

Contour has identified 38 grey spots on Trowbridge 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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