Cethana Road

TASSecondary road12.3 km31 segmentsC136

9.2Sports

12.3 kmTotal length

31Segments

37Recorded crashes

13Grey spot segments

Cethana Road is a 12 km sealed secondary route in Tasmania, Australia. It scores 9.2/10 for EVs with highly technical corners and excellent surface. It also rates well for sports cars and motorcycles and 4WDs.

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Vehicle scores

9.2/10

SPTSportsSealed roads, curviness, mountain passes

9.2/10

MOTMotoTight bends, switchbacks, technical roads

9.2/10

EVEVSmooth surface, sealed roads, range-friendly

8.5/10

4WD4WDGravel access, off-road suitability

3.0/10

VANCaravanSmooth sealed, gentle grades, no steep passes

Segment quality distribution

Sports score - 31 segments

Excellent (8+)88%Good (6-8)13%

Sports score IQR: 8.8 - 9.3

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

10.0

Median curviness. Higher scores mean more bends per kilometre.

Speed

10.0

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

10.0

Elevation change per kilometre. More climbing = higher score.

Crash history

Aggregated across all 31 segments· 28 years of data

Total crashes

Fatalities

Serious injuries

Grey spots

Last 5 years

Crashes (5yr)

Fatalities (5yr)

TAS avg: 0.483 crashes/km/yrThis road: 0.170▼ Below 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

13%

Based on 28 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

6.6/10 safety score - higher is safer

Wet road exposure56%

Night driving risk66%

Wind exposure60%

Sun glare risk86%

Wildlife strike risk12%

Risk values derived from road geometry, orientation, weather station data, and satellite canopy cover. 0 = minimal risk, 1 = maximum risk.

Segments

Top 32 segments by sports score

IDSurfaceLengthSportsMotoEV

#108413989Asphalt0.39 km9.39.29.3 #108415581Asphalt0.39 km9.39.29.3 #108413991Asphalt0.64 km9.39.29.3 #108415582Asphalt0.43 km9.39.29.3 #108415583Asphalt0.41 km9.39.29.3 #108413993Asphalt0.43 km9.39.29.3 #108413997Asphalt0.47 km9.39.29.3 #108415585Asphalt0.65 km9.39.29.3 #108413998Asphalt0.40 km9.39.29.3 #108413990Asphalt0.39 km9.39.29.3 #108413992Asphalt0.41 km9.39.29.3 #108415584Asphalt0.50 km9.39.29.3 #108415596Asphalt0.52 km9.29.19.2 #108413994Asphalt0.50 km9.29.19.2 #108413996Asphalt0.65 km9.29.19.2 #108415594Asphalt0.36 km9.29.19.2 #108415592Asphalt0.38 km9.29.19.2 #108415586Asphalt0.59 km9.19.09.1 #108415593Asphalt0.38 km9.19.09.1 #108413995Asphalt0.35 km9.08.99.1 #108415587Asphalt0.31 km9.08.99.0 #108413999Asphalt0.44 km8.98.89.0 #108415580Asphalt0.38 km8.98.89.0 #108415590Asphalt0.46 km8.88.78.9 #108415591Asphalt0.65 km8.88.78.7 #108415595Asphalt0.36 km8.88.78.7 #108561242Asphalt0.22 km8.58.58.6 #108415588Asphalt0.21 km7.97.78.2 #108415589Asphalt0.02 km7.57.27.9 #108414000Asphalt0.03 km7.37.17.8 #108415579Asphalt0.02 km7.26.87.5 #108415578Paved0.06 km6.56.27.1

API reference

Road aggregate data via the Contour API

GET/api/v1/roads/cethana-road-tasRoad aggregate - scores, stats, risk profile, activity, segment list

GET/api/v1/roads/search?q=Cethana%20Road&state=TASSearch roads by name

Councils & Government

This road is part of TAS'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 Cethana Road?+

Cethana Road is approximately 12 km long. At typical touring speeds, expect around 1 hour of driving end to end, excluding stops.

Is Cethana Road sealed?+

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

Is Cethana Road good for motorcycles?+

Yes. Cethana Road scores 9.2/10 for motorcycles, placing it among the stronger rides in the region. Corners, surface and elevation all contribute to the rating.

Can I drive Cethana Road in a caravan?+

Not recommended. Cethana Road scores 3.0/10 for caravans due to geometry, surface or gradient. Consider an alternative route if towing.

Is Cethana Road good for an EV?+

Yes. Cethana Road scores 9.2/10 for EVs. Regenerative braking on any elevation changes and smooth throttle control on the corners will both feel at home here.

Are there any dangerous sections on Cethana Road?+

Contour has identified 13 grey spots on Cethana 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: 16 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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