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Colyer Drive

WAResidential road0.8 km2 segments
6.7Sports
0.8 kmTotal length
2Segments
2Grey spot segments

Colyer Drive is a 1 km unsealed residential street in Western Australia, Australia. It scores 7.5/10 for 4WDs with highly technical corners and rough surface.

7-day forecast

Vehicle scores
6.7/10
SPTSportsSealed roads, curviness, mountain passes
7.0/10
MOTMotoTight bends, switchbacks, technical roads
6.5/10
EVEVSmooth surface, sealed roads, range-friendly
7.5/10
4WD4WDGravel access, off-road suitability
5.8/10
VANCaravanSmooth sealed, gentle grades, no steep passes
Segment quality distribution
Sports score - 2 segments
Good (6-8)100%

Sports score IQR: 6.4 - 6.9

Surface
Surface coverage
Unsealed100%
Score breakdown
Median component scores across all segments
Surface
3.5
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
5.5
Speed limit suitability. Sweet spot is 60-110 km/h.
Road classResidential road
3.0
Road classification. Motorways score zero. Tertiary roads score 9.
Traffic
7.0
Estimated traffic density. Lower traffic = higher score.
Elevation
8.0
Elevation change per kilometre. More climbing = higher score.
Crash history
Aggregated across all 2 segments
2
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.

Segments
Top 2 segments by sports score
API reference
Road aggregate data via the Contour API
GET/api/v1/roads/colyer-drive-waRoad aggregate - scores, stats, risk profile, activity, segment list
GET/api/v1/roads/search?q=Colyer%20Drive&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 Colyer Drive?+

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

Is Colyer Drive sealed?+

No. Colyer Drive is unsealed for its entire scored length. A vehicle suited to gravel or dirt is recommended.

Is Colyer Drive good for motorcycles?+

It rates well. Colyer Drive scores 7.0/10 for motorcycles, with enough character to be worth the trip for most riders.

Can I drive Colyer Drive in a caravan?+

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

Is Colyer Drive good for an EV?+

Yes. Colyer Drive scores 6.5/10 for EVs. Regenerative braking on any elevation changes and smooth throttle control on the corners will both feel at home here.

Is Colyer Drive suitable for a 4WD?+

Yes. Colyer Drive scores 7.5/10 for 4WDs, with the right mix of surface and terrain character to be worth the trip.

Are there any dangerous sections on Colyer Drive?+

Contour has identified 2 grey spots on Colyer Drive - 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: 23 April 2026. Scores are based on road geometry, surface, and traffic data. Always drive to conditions and follow local road rules.