Sims Road

WAUnclassified road1.1 km3 segments

2.4Sports

5.5Safety

1.1 kmTotal length

3Segments

2Grey spot segments

Sims Road is a 1.1 km sealed road in Western Australia, Australia. It scores 7.5/10 for 4WDs with highly technical corners and rough surface.

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Vehicle scores

2.4/10

SPTSportsSealed roads, curviness, mountain passes

6.0/10

MOTMotoTight bends, switchbacks, technical roads

4.0/10

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 - 3 segments

Poor (<4)100%

Sports score IQR: 2.4 - 2.4

Surface

Surface coverage

Sealed21%Unsealed79%

Score breakdown

Median component scores across all segments

Surface

3.0

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

Curviness

9.4

Median curviness. Higher scores mean more bends per kilometre.

Speed

4.6

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

6.4

Elevation change per kilometre. More climbing = higher score.

Road intel

Grey spots2 of 3 segments

Segments where curvature is tighter than the posted speed limit. Geometry alone flags these as higher risk, no crash history required.

Wet riskElevated

Average wet sensitivity across segments, based on surface, drainage, gradient and local rainfall.

Night riskPresent

Visibility at night across the road, weighted by lighting, tree canopy density and curves.

Wind exposureModerate

Average wind exposure across segments, based on measured wind speed, terrain and shelter. Relevant for motorcycles and caravans.

Sun glarePresent

East-west segments exposed to sunrise and sunset glare, adjusted for tree cover.

Crash history

Aggregated across all 3 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.

Road environment

Geometry and climate-derived risk indicators

Wet road exposure69%

Night driving risk69%

Wind exposure59%

Sun glare risk64%

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 16 segments by sports score

IDSurfaceLengthSportsMotoEV

#141460533Asphalt0.58 km7.67.67.6 #141539176-0.50 km6.16.45.9 #141539175-0.56 km6.16.45.9 #141539177-0.50 km5.86.25.5 #141460532Asphalt0.12 km5.25.05.7 #141460531Asphalt0.44 km4.54.34.9 #141460534Asphalt0.18 km4.34.14.7 #141715951Gravel0.65 km4.05.14.0 #141715950Gravel0.42 km4.04.64.0 #141715953Gravel0.31 km4.04.14.0 #141715952Gravel0.57 km3.83.94.0 #141539178-0.29 km2.92.93.0 #141539179-0.29 km2.92.93.0 #141409943Unpaved0.50 km2.46.04.0 #141409945Unpaved0.20 km2.46.04.0 #141409944Unpaved0.39 km2.46.04.0

API reference

Road aggregate data via the Contour API

GET/api/v1/roads/sims-road-wa-3Road aggregate - scores, stats, risk profile, activity, segment list

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

Sims Road is approximately 1.1 km long. At typical touring speeds, expect a few minutes of driving end to end, excluding stops.

Is Sims Road sealed?+

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

Is Sims Road good for motorcycles?+

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

Can I drive Sims Road in a caravan?+

Not recommended. Sims 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 Sims Road?+

Contour has identified 2 grey spots on Sims 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: 2 May 2026. Scores are based on road geometry, surface, and traffic data. Always drive to conditions and follow local road rules.

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