Marshall Road

WASecondary road8.2 km49 segments

5.6Sports

8.2 kmTotal length

49Segments

91Grey spot segments

Marshall Road is a 8 km sealed secondary route in Western Australia, Australia. It scores 6.8/10 for caravans with straight corners and excellent surface.

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Vehicle scores

5.6/10

SPTSportsSealed roads, curviness, mountain passes

5.3/10

MOTMotoTight bends, switchbacks, technical roads

5.9/10

EVEVSmooth surface, sealed roads, range-friendly

4.1/10

4WD4WDGravel access, off-road suitability

6.8/10

VANCaravanSmooth sealed, gentle grades, no steep passes

Segment quality distribution

Sports score - 49 segments

Excellent (8+)8%Good (6-8)24%Fair (4-6)67%Poor (<4)1%

Sports score IQR: 5.4 - 6.2

Surface

Surface coverage

Sealed49%Unsealed51%

Score breakdown

Median component scores across all segments

Surface

10.0

Median surface quality. Smooth sealed asphalt scores 10. Chipseal 8. Gravel 5.

Curviness

0.1

Median curviness. Higher scores mean more bends per kilometre.

Speed

7.0

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

4.0

Elevation change per kilometre. More climbing = higher score.

Crash history

Aggregated across all 49 segments· 5 years of data

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

Night crashes

Crashes that occurred after dark

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

7.4/10 safety score - higher is safer

Wet road exposure45%

Night driving risk45%

Wind exposure50%

Sun glare risk46%

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 132 segments by sports score

IDSurfaceLengthSportsMotoEV

#100148838Paved0.38 km8.48.38.4 #99910994Paved0.16 km8.28.28.1 #99096461Paved0.27 km8.28.28.2 #98706835Paved0.35 km8.18.08.0 #99910989Paved0.16 km8.18.07.9 #99443030Paved0.45 km8.07.97.9 #100148835Paved0.44 km8.07.97.9 #99443026Paved0.18 km7.67.47.5 #99096462Paved0.18 km7.57.37.4 #98706837Paved0.16 km7.47.27.4 #99662733Paved0.19 km7.37.17.3 #99661221Paved0.39 km7.16.97.1 #99661219Paved0.48 km7.06.77.0 #98698131Paved0.12 km7.06.77.4 #98706848Paved0.15 km6.66.47.0 #98706836Paved0.11 km6.66.36.9 #99443025Paved0.09 km6.56.26.8 #99675859Paved0.23 km6.46.16.6 #99661222Paved0.28 km6.46.16.6 #99662724Paved0.09 km6.46.16.8 #99443022Paved0.12 km6.46.16.5 #99433866Paved0.15 km6.36.06.5 #99433865Paved0.12 km6.25.96.4 #98590455Paved0.14 km6.26.06.5 #99433862Paved0.42 km6.15.86.3 #99096463Paved0.06 km6.15.86.5 #99096458Paved0.10 km6.15.86.5 #99533964Paved0.01 km6.15.86.7 #99736195Paved0.01 km6.15.86.7 #99662728Paved0.02 km6.05.76.6 #99662730Paved0.02 km6.05.76.6 #99433864Paved0.03 km6.05.76.6 #99661218Paved0.19 km5.95.56.1 #100014057Paved0.02 km5.85.56.3 #99096459Paved0.02 km5.85.56.3 #99433863Paved0.06 km5.85.56.3 #99533962Paved0.01 km5.85.56.3 #99675858Paved0.03 km5.85.56.3 #98598798Paved0.04 km5.85.56.3 #99662726Paved0.13 km5.85.46.0 #99910990Paved0.21 km5.75.45.9 #98590448Paved0.13 km5.75.55.9 #98598800Paved0.16 km5.65.35.9 #98590450Paved0.14 km5.65.45.8 #99675888Paved0.16 km5.65.25.9 #99985309Paved0.09 km5.65.25.9 #99675883Paved0.36 km5.55.25.9 #99675887Paved0.06 km5.55.25.9 #99910991Paved0.25 km5.55.25.9 #98598794Paved0.11 km5.55.25.9 #99967887Paved0.03 km5.55.25.9 #99958287Paved0.55 km5.55.25.9 #99714890Paved0.01 km5.55.25.9 #98598796Paved0.18 km5.55.25.9 #99958288Paved0.30 km5.55.25.9 #98698133Paved0.03 km5.55.25.9 #99755860Paved0.22 km5.55.25.9 #99675885Paved0.16 km5.55.15.7 #100185318Asphalt0.04 km5.55.26.0 #99443029Paved0.04 km5.55.15.7 #99527408Paved0.04 km5.45.15.6 #100145577Paved0.11 km5.45.05.6 #99662732Paved0.03 km5.45.05.6 #99958289Paved0.08 km5.45.05.6 #99527407Paved0.01 km5.45.05.6 #99675892Paved0.43 km5.45.05.6 #100145576Paved0.00 km5.45.05.6 #99527518Paved0.01 km5.45.05.6 #99675890Paved0.50 km5.45.05.6 #99736196Paved0.01 km5.45.05.6 #99661223Paved0.08 km5.45.05.6 #99527515Paved0.01 km5.45.05.6 #99958290Paved0.08 km5.45.05.6 #99533969Paved0.01 km5.45.05.6 #99661220Paved0.08 km5.45.05.6 #99527405Paved0.01 km5.45.05.6 #100185321Asphalt0.03 km5.34.95.7 #98590446Paved0.14 km5.25.05.5 #98672606Asphalt0.47 km5.28.08.8 #98672608Asphalt0.25 km5.17.98.7 #98590445Paved0.02 km4.94.75.6 #99910992Paved0.16 km4.97.58.1 #98672607Asphalt0.65 km4.97.58.2 #100185325Asphalt0.04 km4.94.65.5 #98590456Paved0.05 km4.84.55.4 #98590458Paved0.09 km4.84.55.4 #98590452Paved0.04 km4.84.55.4 #98590449Paved0.10 km4.74.45.0 #99699050Paved0.03 km4.64.44.9 #98590451Paved0.08 km4.64.35.0 #99699051Paved0.03 km4.64.34.8 #98590444Paved0.03 km4.54.34.9 #98590447Paved0.09 km4.54.34.9 #98590453Paved0.05 km4.54.34.9 #99684445Asphalt0.03 km4.54.24.8 #98590457Paved0.04 km4.34.14.7 #98590454Paved0.04 km4.34.14.7 #98672609Asphalt0.14 km4.36.67.7 #98672610Asphalt0.08 km4.36.47.5 #98886829Unpaved0.50 km4.06.54.0 #98886831Unpaved0.50 km4.06.14.0 #98886830Unpaved0.65 km4.06.34.0 #98695159Unpaved0.50 km4.05.04.0 #98695162Unpaved0.20 km3.93.93.8 #99910993Paved0.17 km3.85.66.2 #98560878-0.20 km3.63.84.1 #98695158Unpaved0.52 km3.23.33.5 #98886838Unpaved0.04 km3.23.33.5 #98886833Unpaved0.44 km3.03.03.1 #98886835Unpaved0.48 km3.03.03.1 #98695161Unpaved0.50 km3.03.03.1 #98886836Unpaved0.02 km3.03.03.1 #98886834Unpaved0.50 km3.03.03.1 #98695160Unpaved0.50 km2.82.82.8 #98886832Unpaved0.58 km2.82.82.8 #99134033Unpaved0.65 km2.45.94.0 #99134034Unpaved0.50 km2.46.04.0 #99103273Unpaved0.50 km2.33.84.0 #99103277Unpaved0.50 km2.33.84.0 #99103274Unpaved0.50 km2.23.53.8 #99134040Unpaved0.33 km2.23.53.8 #99134039Unpaved0.50 km2.23.53.8 #99134032Unpaved0.50 km2.23.53.8 #99103278Unpaved0.50 km2.23.53.8 #99103275Unpaved0.50 km2.23.53.8 #99134036Unpaved0.50 km2.23.53.8 #99103276Unpaved0.50 km2.23.53.8 #99134035Unpaved0.50 km2.13.33.5 #99134038Unpaved0.50 km2.13.33.5 #99103279Unpaved0.42 km2.13.33.5 #99134031Unpaved0.50 km2.13.33.5 #99134037Unpaved0.50 km2.13.33.5

API reference

Road aggregate data via the Contour API

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

GET/api/v1/roads/search?q=Marshall%20Road&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 Marshall Road?+

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

Is Marshall Road sealed?+

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

Is Marshall Road good for motorcycles?+

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

Can I drive Marshall Road in a caravan?+

Yes. Marshall Road scores 6.8/10 for caravans, making it a reasonable choice for towing. Watch for changes in surface and any steep gradients.

Are there any dangerous sections on Marshall Road?+

Contour has identified 91 grey spots on Marshall 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: 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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