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Triangle Flat Road

NSWTertiary road22.1 km48 segments
4.5Sports
22.1 kmTotal length
48Segments
50Grey spot segments
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Triangle Flat Road is a 22 km sealed tertiary route in New South Wales, Australia. It scores 8.0/10 for 4WDs with highly technical corners and excellent surface. It also rates well for EVs.

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Vehicle scores
4.5/10
SPTSportsSealed roads, curviness, mountain passes
6.8/10
MOTMotoTight bends, switchbacks, technical roads
7.8/10
EVEVSmooth surface, sealed roads, range-friendly
8.0/10
4WD4WDGravel access, off-road suitability
5.4/10
VANCaravanSmooth sealed, gentle grades, no steep passes
Segment quality distribution
Sports score - 48 segments
Fair (4-6)56%Poor (<4)44%

Sports score IQR: 2.4 - 5.1

Surface
Surface coverage
Sealed58%Unsealed42%
Score breakdown
Median component scores across all segments
Surface
10.0
Median surface quality. Smooth sealed asphalt scores 10. Chipseal 8. Gravel 5.
Curviness
8.3
Median curviness. Higher scores mean more bends per kilometre.
Speed
10.0
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 48 segments
50
Grey spots

Crash record linkage not yet available for NSW. Grey spots are segments where curvature geometry mismatches the posted speed limit - these are flagged regardless of crash history.

Road environment
Geometry and climate-derived risk indicators
6.5/10 safety score - higher is safer
Wet road exposure59%
Night driving risk68%
Wind exposure59%
Sun glare risk84%
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 51 segments by sports score
IDSurfaceLengthSportsMotoEV
#111431455Asphalt0.50 km5.68.69.4#111314413Asphalt0.49 km5.48.39.2#111314424Asphalt0.48 km5.38.18.8#111314425Asphalt0.42 km5.38.18.6#111431456Asphalt0.43 km5.28.08.7#111314420Asphalt0.50 km5.28.08.7#111314412Asphalt0.42 km5.27.98.7#111314414Asphalt0.61 km5.17.88.6#111314419Asphalt0.57 km5.17.88.6#111314411Asphalt0.35 km5.17.88.5#111314409Asphalt0.44 km5.07.78.5#111314421Asphalt0.65 km5.07.78.5#111314406Asphalt0.50 km5.07.78.3#111314410Asphalt0.41 km5.07.68.4#111314423Asphalt0.43 km5.07.68.4#111314405Asphalt0.37 km5.07.68.4#111314408Asphalt0.51 km5.07.68.4#111431457Asphalt0.19 km5.07.68.5#111314422Asphalt0.27 km5.07.68.4#111314415Asphalt0.65 km5.07.58.3#111314402Asphalt0.65 km4.87.48.2#111314418Asphalt0.44 km4.87.28.1#111314417Asphalt0.59 km4.87.28.1#111314407Asphalt0.50 km4.87.28.1#111314416Asphalt0.38 km4.66.87.9#111314403Asphalt0.50 km4.46.67.3#111314404Asphalt0.41 km4.46.67.7#111314401Asphalt0.07 km4.36.57.7#111400612Concrete0.04 km4.06.07.2#111453237Asphalt0.01 km3.85.56.4#110577583Gravel0.50 km2.46.04.0#110577585Gravel0.65 km2.46.04.0#110577586Gravel0.36 km2.46.04.0#110577587Gravel0.52 km2.46.04.0#110577588Gravel0.35 km2.46.04.0#110577589Gravel0.44 km2.46.04.0#110577590Gravel0.03 km2.46.04.0#110577591Gravel0.44 km2.46.04.0#110577592Gravel0.50 km2.46.04.0#111557493Gravel0.19 km2.46.04.0#111400607Gravel0.63 km2.46.04.0#111400608Gravel0.65 km2.46.04.0#111400605Gravel0.50 km2.46.04.0#110577584Gravel0.58 km2.46.04.0#111400606Gravel0.45 km2.46.04.0#111400609Gravel0.65 km2.46.04.0#111400610Gravel0.35 km2.46.04.0#110577581Gravel0.50 km2.46.04.0#111400611Gravel0.28 km2.46.04.0#110577593Gravel0.65 km2.46.04.0#110577582Gravel0.42 km2.46.04.0
API reference
Road aggregate data via the Contour API
GET/api/v1/roads/triangle-flat-road-nswRoad aggregate - scores, stats, risk profile, activity, segment list
GET/api/v1/roads/search?q=Triangle%20Flat%20Road&state=NSWSearch roads by name

Councils & Government

This road is part of NSW'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 Triangle Flat Road?+

Triangle Flat Road is approximately 22 km long. At typical touring speeds, expect around 1 hour of driving end to end, excluding stops.

Is Triangle Flat Road sealed?+

Yes. Triangle Flat Road is fully sealed for its entire length.

Is Triangle Flat Road good for motorcycles?+

It rates well. Triangle Flat Road scores 6.8/10 for motorcycles, with enough character to be worth the trip for most riders.

Can I drive Triangle Flat Road in a caravan?+

With care. Triangle Flat Road scores 5.4/10 for caravans. Some sections may be tight or rough for a heavy tow.

Is Triangle Flat Road good for an EV?+

Yes. Triangle Flat Road scores 7.8/10 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 Triangle Flat Road?+

Contour has identified 50 grey spots on Triangle Flat 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: 21 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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