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Avon Terrace

WASecondary road2.9 km18 segments254
5.5Sports
2.9 kmTotal length
18Segments
21Grey spot segments
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Avon Terrace is a 3 km sealed secondary route in Western Australia, Australia. It scores 6.3/10 for caravans with straight corners and excellent surface.

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Vehicle scores
5.5/10
SPTSportsSealed roads, curviness, mountain passes
5.3/10
MOTMotoTight bends, switchbacks, technical roads
6.0/10
EVEVSmooth surface, sealed roads, range-friendly
4.2/10
4WD4WDGravel access, off-road suitability
6.3/10
VANCaravanSmooth sealed, gentle grades, no steep passes
Segment quality distribution
Sports score - 18 segments
Good (6-8)24%Fair (4-6)71%Poor (<4)5%

Sports score IQR: 4.8 - 5.8

Surface
Surface coverage
Sealed100%
Score breakdown
Median component scores across all segments
Surface
10.0
Median surface quality. Smooth sealed asphalt scores 10. Chipseal 8. Gravel 5.
Curviness
0.0
Median curviness. Higher scores mean more bends per kilometre.
Speed
4.0
Speed limit suitability. Sweet spot is 60-110 km/h.
Road classSecondary road
8.0
Road classification. Motorways score zero. Tertiary roads score 9.
Traffic
7.0
Estimated traffic density. Lower traffic = higher score.
Elevation
7.0
Elevation change per kilometre. More climbing = higher score.
Crash history
Aggregated across all 18 segments· 5 years of data
21
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

0%

Night crashes

Crashes that occurred after dark

0%

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
7.3/10 safety score - higher is safer
Wet road exposure38%
Night driving risk43%
Wind exposure49%
Sun glare risk37%
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 23 segments by sports score
IDSurfaceLengthSportsMotoEV
#99318837Asphalt0.39 km7.67.47.8#99318838Asphalt0.23 km6.86.57.1#98609540Asphalt0.09 km6.66.46.7#99919979Asphalt0.22 km6.36.16.4#99318836Asphalt0.36 km6.15.86.3#99919980Asphalt0.34 km5.85.56.1#99891091Asphalt0.29 km5.75.56.0#99318830Asphalt0.17 km5.65.46.1#100116976Asphalt0.16 km5.55.36.0#99891090Asphalt0.02 km5.55.36.2#100116977Asphalt0.01 km5.55.36.2#99318829Asphalt0.03 km5.04.65.6#99891092Asphalt0.11 km5.04.75.4#100116978Asphalt0.10 km5.04.75.4#98609647Asphalt0.10 km4.84.55.3#100116979Asphalt0.01 km4.84.55.1#98609646Asphalt0.03 km4.84.45.4#99891095Asphalt0.03 km4.44.05.2#98609645Asphalt0.18 km4.43.94.7#99891093Asphalt0.01 km4.33.94.9#99891094Asphalt0.14 km3.83.44.2#99567865Compacted0.28 km2.35.94.0#99567863Compacted0.40 km2.35.94.0
API reference
Road aggregate data via the Contour API
GET/api/v1/roads/avon-terrace-waRoad aggregate - scores, stats, risk profile, activity, segment list
GET/api/v1/roads/search?q=Avon%20Terrace&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 Avon Terrace?+

Avon Terrace is approximately 3 km long. At typical touring speeds, expect around 1 hour of driving end to end, excluding stops.

Is Avon Terrace sealed?+

Yes. Avon Terrace is fully sealed for its entire length.

Is Avon Terrace good for motorcycles?+

It is passable. Avon Terrace scores 5.3/10 for motorcycles. Consider it a connector rather than a destination ride.

Can I drive Avon Terrace in a caravan?+

Yes. Avon Terrace scores 6.3/10 for caravans, making it a reasonable choice for towing. Watch for changes in surface and any steep gradients.

Are there any dangerous sections on Avon Terrace?+

Contour has identified 21 grey spots on Avon Terrace - 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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