Charles Knife Road

WATertiary road11.1 km28 segments

3.9Sports

11.1 kmTotal length

28Segments

29Grey spot segments

Charles Knife Road is a 11 km sealed tertiary route in Western Australia, Australia. It scores 7.5/10 for 4WDs with highly technical corners and excellent surface.

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Vehicle scores

3.9/10

SPTSportsSealed roads, curviness, mountain passes

6.0/10

MOTMotoTight bends, switchbacks, technical roads

6.7/10

EVEVSmooth surface, sealed roads, range-friendly

7.5/10

4WD4WDGravel access, off-road suitability

2.6/10

VANCaravanSmooth sealed, gentle grades, no steep passes

Segment quality distribution

Sports score - 28 segments

Fair (4-6)45%Poor (<4)55%

Sports score IQR: 2.4 - 5.4

Surface

Surface coverage

Sealed54%Unsealed46%

Score breakdown

Median component scores across all segments

Surface

10.0

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

Curviness

10.0

Median curviness. Higher scores mean more bends per kilometre.

Speed

10.0

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

Road classTertiary road

9.0

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

Traffic

9.0

Estimated traffic density. Lower traffic = higher score.

Elevation

7.0

Elevation change per kilometre. More climbing = higher score.

Crash history

Aggregated across all 28 segments

Grey spots

Crash record linkage not yet available for WA. 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

6.2/10 safety score - higher is safer

Wet road exposure57%

Night driving risk67%

Wind exposure58%

Sun glare risk89%

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 29 segments by sports score

IDSurfaceLengthSportsMotoEV

#98633977Asphalt0.42 km5.78.79.5 #98633976Asphalt0.36 km5.78.79.5 #116022208Asphalt0.44 km5.68.79.4 #98633978Asphalt0.36 km5.68.79.4 #98633974Asphalt0.47 km5.68.79.4 #116022209Asphalt0.17 km5.68.79.4 #98633975Asphalt0.37 km5.68.79.4 #98633979Asphalt0.48 km5.48.28.9 #98633972Asphalt0.40 km5.48.28.9 #98633970Asphalt0.42 km5.27.98.5 #98633966Asphalt0.50 km5.17.98.6 #100082757Asphalt0.13 km4.26.27.0 #98633968Asphalt0.36 km4.05.97.1 #100082755Asphalt0.60 km3.95.76.8 #100082754Asphalt0.04 km3.95.66.7 #100082756Asphalt0.46 km3.95.66.7 #98891407Gravel0.50 km2.46.04.0 #98891403Gravel0.39 km2.46.04.0 #98891405Gravel0.41 km2.46.04.0 #98891406Gravel0.40 km2.45.84.0 #98891409Gravel0.53 km2.46.04.0 #98891410Gravel0.41 km2.46.04.0 #98891411Gravel0.40 km2.46.04.0 #98891412Gravel0.38 km2.45.54.0 #98891402Gravel0.42 km2.46.04.0 #98891404Gravel0.65 km2.46.04.0 #116213464Gravel0.14 km2.46.04.0 #116213463Gravel0.10 km2.43.94.0 #98891408Gravel0.42 km2.43.84.0

API reference

Road aggregate data via the Contour API

GET/api/v1/roads/charles-knife-road-waRoad aggregate - scores, stats, risk profile, activity, segment list

GET/api/v1/roads/search?q=Charles%20Knife%20Road&state=WASearch roads by name

Councils & Government

This road is part of WA'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 Charles Knife Road?+

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

Is Charles Knife Road sealed?+

Yes. Charles Knife Road is fully sealed for its entire length.

Is Charles Knife Road good for motorcycles?+

It is passable. Charles Knife Road scores 6.0/10 for motorcycles. Consider it a connector rather than a destination ride.

Can I drive Charles Knife Road in a caravan?+

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

Is Charles Knife Road good for an EV?+

Yes. Charles Knife 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 Charles Knife Road?+

Contour has identified 29 grey spots on Charles Knife 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: 22 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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