Winthrop Avenue

WAPrimary road0.9 km4 segments

4.8Sports

0.9 kmTotal length

4Segments

120Recorded crashes

Winthrop Avenue is a 860 m sealed primary route in Western Australia, Australia. It scores 6.0/10 for EVs with straight corners and excellent surface.

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Vehicle scores

4.8/10

SPTSportsSealed roads, curviness, mountain passes

5.1/10

MOTMotoTight bends, switchbacks, technical roads

6.0/10

EVEVSmooth surface, sealed roads, range-friendly

4.2/10

4WD4WDGravel access, off-road suitability

5.8/10

VANCaravanSmooth sealed, gentle grades, no steep passes

Segment quality distribution

Sports score - 4 segments

Fair (4-6)68%Poor (<4)32%

Sports score IQR: 4.7 - 5.3

Surface

Surface coverage

Sealed82%Unsealed18%

Score breakdown

Median component scores across all segments

Surface

10.0

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

Curviness

1.0

Median curviness. Higher scores mean more bends per kilometre.

Speed

7.0

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

5.7

Estimated traffic density. Lower traffic = higher score.

Elevation

6.0

Elevation change per kilometre. More climbing = higher score.

Crash history

Aggregated across all 4 segments· 5 years of data

120

Total crashes

Fatalities

Serious injuries

Grey spots

Last 5 years

Crashes (5yr)

Fatalities (5yr)

WA avg: 0.686 crashes/km/yrThis road: 50.859▲ Above average

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

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.

Segments

Top 39 segments by sports score

IDSurfaceLengthSportsMotoEV

#141791138Asphalt0.20 km5.75.36.1 #141891889Asphalt0.10 km5.65.36.1 #141883137Asphalt0.06 km5.65.45.9 #141791137Asphalt0.02 km5.55.35.8 #141883143Asphalt0.12 km5.55.26.0 #141891978Asphalt0.03 km5.55.16.1 #141791145Asphalt0.02 km5.45.06.0 #141867055Asphalt0.06 km5.45.05.9 #141335543-0.27 km5.45.65.3 #141824164Asphalt0.11 km5.34.95.8 #141335542-0.28 km5.35.65.3 #141867056Asphalt0.08 km5.34.95.8 #141863642Asphalt0.02 km5.34.95.8 #141891890Asphalt0.02 km5.34.95.8 #141824415Asphalt0.02 km5.34.95.8 #141791136Asphalt0.09 km5.24.75.7 #141863644Asphalt0.02 km5.14.75.7 #141883140Paved0.03 km5.14.75.7 #141791139Asphalt0.04 km5.14.75.7 #141824166Asphalt0.09 km5.14.75.4 #141824413Paved0.27 km5.14.75.4 #141791135Asphalt0.10 km5.14.75.4 #141791134Asphalt0.07 km4.94.45.2 #141824414Asphalt0.18 km4.84.45.1 #141883132Asphalt0.08 km4.84.45.1 #141891979Asphalt0.01 km4.84.45.1 #141891892Asphalt0.01 km4.84.45.1 #141883141Asphalt0.00 km4.74.35.0 #141891980Asphalt0.00 km4.74.25.0 #141883139Asphalt0.08 km4.74.25.0 #141883138Paved0.03 km4.74.25.0 #141883142Asphalt0.01 km4.74.25.0 #141863643Asphalt0.01 km4.74.25.0 #141312420Paved0.02 km3.65.56.7 #141312345Asphalt0.27 km3.55.36.4 #141312419Paved0.16 km3.55.26.4 #141312421Paved0.03 km3.55.26.3 #141758626Asphalt0.01 km3.14.55.8 #141758624Asphalt0.01 km2.94.05.1

API reference

Road aggregate data via the Contour API

GET/api/v1/roads/winthrop-avenue-waRoad aggregate - scores, stats, risk profile, activity, segment list

GET/api/v1/roads/search?q=Winthrop%20Avenue&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.

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Frequently asked questions

How long is Winthrop Avenue?+

Winthrop Avenue is approximately 860 m long.

Is Winthrop Avenue sealed?+

Yes. Winthrop Avenue is fully sealed for its entire length.

Is Winthrop Avenue good for motorcycles?+

It is passable. Winthrop Avenue scores 5.1/10 for motorcycles. Consider it a connector rather than a destination ride.

Can I drive Winthrop Avenue in a caravan?+

With care. Winthrop Avenue scores 5.8/10 for caravans. Some sections may be tight or rough for a heavy tow.

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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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