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Derby Back Road

TASTertiary road7.7 km23 segments
4.3Sports
7.7 kmTotal length
23Segments
6Recorded crashes
18Grey spot segments
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Derby Back Road is a 8 km sealed tertiary route in Tasmania, Australia. It scores 7.3/10 for EVs with gently winding corners and excellent surface.

Explore more roads near Launceston38 km

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Vehicle scores
4.3/10
SPTSportsSealed roads, curviness, mountain passes
6.5/10
MOTMotoTight bends, switchbacks, technical roads
7.3/10
EVEVSmooth surface, sealed roads, range-friendly
5.8/10
4WD4WDGravel access, off-road suitability
5.1/10
VANCaravanSmooth sealed, gentle grades, no steep passes
Segment quality distribution
Sports score - 23 segments
Good (6-8)4%Fair (4-6)63%Poor (<4)33%

Sports score IQR: 3.8 - 5.4

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
4.8
Median curviness. Higher scores mean more bends per kilometre.
Speed
7.0
Speed limit suitability. Sweet spot is 60-110 km/h.
Road classTertiary road
9.0
Road classification. Motorways score zero. Tertiary roads score 9.
Traffic
9.0
Estimated traffic density. Lower traffic = higher score.
Elevation
7.0
Elevation change per kilometre. More climbing = higher score.
Crash history
Aggregated across all 23 segments· 28 years of data
6
Total crashes
0
Fatalities
1
Serious injuries
18
Grey spots
Last 5 years
3
Crashes (5yr)
0
Fatalities (5yr)
TAS avg: 0.483 crashes/km/yrThis road: 0.083▼ 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

0%

Night crashes

Crashes that occurred after dark

33%

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
7.1/10 safety score - higher is safer
Wet road exposure44%
Night driving risk58%
Wind exposure59%
Sun glare risk79%
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 24 segments by sports score
IDSurfaceLengthSportsMotoEV
#108426559Asphalt0.19 km7.67.57.6#108426564Asphalt0.55 km5.48.49.2#108426566Asphalt0.43 km5.48.39.1#108426565Asphalt0.53 km5.48.39.1#108426567Asphalt0.41 km5.48.39.1#108426569Asphalt0.27 km5.38.29.1#108426568Asphalt0.35 km5.38.29.0#108426563Asphalt0.38 km5.28.08.9#108426561Asphalt0.65 km5.28.08.8#108426579Asphalt0.35 km4.87.38.2#108426570Asphalt0.19 km4.77.28.0#108426562Asphalt0.04 km4.56.98.0#108426578Asphalt0.43 km4.36.57.3#108426582Asphalt0.11 km4.16.27.0#108426574Asphalt0.58 km4.16.17.2#108426580Asphalt0.51 km4.16.17.2#108426573Asphalt0.09 km4.06.07.1#108426575Asphalt0.22 km4.05.97.0#108426581Asphalt0.40 km3.95.86.9#108426571Asphalt0.06 km3.85.66.5#108426576Asphalt0.04 km3.85.66.7#108426577Asphalt0.46 km3.75.56.5#108426572Asphalt0.40 km3.65.46.4#108426560Asphalt0.05 km3.55.26.2
API reference
Road aggregate data via the Contour API
GET/api/v1/roads/derby-back-road-tasRoad aggregate - scores, stats, risk profile, activity, segment list
GET/api/v1/roads/search?q=Derby%20Back%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 Derby Back Road?+

Derby Back Road is approximately 8 km long. At typical touring speeds, expect around 1 hour of driving end to end, excluding stops.

Is Derby Back Road sealed?+

Yes. Derby Back Road is fully sealed for its entire length.

Is Derby Back Road good for motorcycles?+

It rates well. Derby Back Road scores 6.5/10 for motorcycles, with enough character to be worth the trip for most riders.

Can I drive Derby Back Road in a caravan?+

With care. Derby Back Road scores 5.1/10 for caravans. Some sections may be tight or rough for a heavy tow.

Is Derby Back Road good for an EV?+

Yes. Derby Back Road scores 7.3/10 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 Derby Back Road?+

Contour has identified 18 grey spots on Derby Back 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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