Lower Blackwood Road

WATertiary road19.3 km41 segments

2.4Sports

19.3 kmTotal length

41Segments

41Grey spot segments

Lower Blackwood Road is a 19 km sealed tertiary route in Western Australia, Australia. It scores 5.9/10 for 4WDs with gently winding corners and rough surface.

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Vehicle scores

2.4/10

SPTSportsSealed roads, curviness, mountain passes

5.6/10

MOTMotoTight bends, switchbacks, technical roads

4.0/10

EVEVSmooth surface, sealed roads, range-friendly

5.9/10

4WD4WDGravel access, off-road suitability

2.6/10

VANCaravanSmooth sealed, gentle grades, no steep passes

Segment quality distribution

Sports score - 41 segments

Fair (4-6)22%Poor (<4)78%

Sports score IQR: 2.4 - 3.9

Surface

Surface coverage

Sealed36%Unsealed64%

Score breakdown

Median component scores across all segments

Surface

3.0

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

Curviness

4.8

Median curviness. Higher scores mean more bends per kilometre.

Speed

4.0

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

4.0

Elevation change per kilometre. More climbing = higher score.

Crash history

Aggregated across all 41 segments· 5 years of data

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.

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 5 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

7.0/10 safety score - higher is safer

Wet road exposure53%

Night driving risk53%

Wind exposure54%

Sun glare risk94%

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 41 segments by sports score

IDSurfaceLengthSportsMotoEV

#99945060Asphalt0.19 km5.28.08.7 #99945051Asphalt0.49 km5.07.78.5 #99945050Asphalt0.55 km5.07.68.4 #99945053Asphalt0.38 km4.97.58.3 #99945057Asphalt0.53 km4.97.48.1 #99945059Asphalt0.65 km4.87.38.0 #99945055Asphalt0.50 km4.77.17.9 #99945052Asphalt0.65 km4.66.97.7 #99945048Asphalt0.50 km4.16.07.2 #99945054Asphalt0.39 km4.05.96.9 #99945056Asphalt0.63 km3.95.76.7 #99945049Asphalt0.51 km3.95.66.7 #99945058Asphalt0.38 km3.95.66.7 #99945047Asphalt0.50 km3.45.16.0 #99363213Unpaved0.65 km2.46.04.0 #99363214Unpaved0.51 km2.44.84.0 #99363215Unpaved0.55 km2.44.74.0 #99363217Unpaved0.50 km2.45.44.0 #99363218Unpaved0.50 km2.44.14.0 #99363219Unpaved0.56 km2.44.44.0 #99363222Unpaved0.60 km2.45.04.0 #116368908Unpaved0.43 km2.45.74.0 #99363207Unpaved0.35 km2.44.04.0 #99363220Unpaved0.42 km2.44.04.0 #99363203Unpaved0.51 km2.45.94.0 #99363210Unpaved0.55 km2.44.94.0 #99363211Unpaved0.50 km2.45.44.0 #99363221Unpaved0.40 km2.44.14.0 #99363197Unpaved0.65 km2.46.04.0 #99363198Unpaved0.50 km2.45.64.0 #99363199Unpaved0.44 km2.44.14.0 #99363200Unpaved0.39 km2.43.94.0 #99363201Unpaved0.37 km2.46.04.0 #99363202Unpaved0.36 km2.46.04.0 #99363206Unpaved0.48 km2.46.04.0 #99363208Unpaved0.41 km2.46.04.0 #99363209Unpaved0.50 km2.46.04.0 #99363216Unpaved0.42 km2.33.74.0 #99363204Unpaved0.49 km2.33.63.9 #99363212Unpaved0.18 km2.33.63.9 #99363205Unpaved0.20 km2.13.43.6

API reference

Road aggregate data via the Contour API

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

GET/api/v1/roads/search?q=Lower%20Blackwood%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 Lower Blackwood Road?+

Lower Blackwood Road is approximately 19 km long. At typical touring speeds, expect around 1 hour of driving end to end, excluding stops.

Is Lower Blackwood Road sealed?+

Yes. Lower Blackwood Road is fully sealed for its entire length.

Is Lower Blackwood Road good for motorcycles?+

It is passable. Lower Blackwood Road scores 5.6/10 for motorcycles. Consider it a connector rather than a destination ride.

Can I drive Lower Blackwood Road in a caravan?+

Not recommended. Lower Blackwood 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 Lower Blackwood Road?+

Contour has identified 41 grey spots on Lower Blackwood 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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