Portway

WATertiary road0.6 km6 segments

3.7Sports

0.6 kmTotal length

6Segments

Portway is a 550 m sealed tertiary route in Western Australia, Australia. It scores 6.5/10 for EVs with straight corners and excellent surface.

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Vehicle scores

3.7/10

SPTSportsSealed roads, curviness, mountain passes

5.6/10

MOTMotoTight bends, switchbacks, technical roads

6.5/10

EVEVSmooth surface, sealed roads, range-friendly

4.9/10

4WD4WDGravel access, off-road suitability

4.8/10

VANCaravanSmooth sealed, gentle grades, no steep passes

Segment quality distribution

Sports score - 6 segments

Fair (4-6)31%Poor (<4)69%

Sports score IQR: 3.2 - 3.9

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

2.0

Median curviness. Higher scores mean more bends per kilometre.

Speed

5.0

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

9.5

Estimated traffic density. Lower traffic = higher score.

Elevation

4.9

Elevation change per kilometre. More climbing = higher score.

Segments

Top 9 segments by sports score

IDSurfaceLengthSportsMotoEV

#141453861Paved0.17 km4.36.67.3 #141880786Asphalt0.04 km3.95.86.8 #141453857Paved0.08 km3.95.87.0 #141453859Paved0.05 km3.75.66.7 #141880788Asphalt0.06 km3.75.56.3 #141453858Paved0.04 km3.65.36.3 #141453860Paved0.17 km3.24.75.7 #141880787Asphalt0.02 km3.14.55.4 #141453862Paved0.04 km3.14.55.4

API reference

Road aggregate data via the Contour API

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

GET/api/v1/roads/search?q=Portway&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 Portway?+

Portway is approximately 550 m long.

Is Portway sealed?+

Yes. Portway is fully sealed for its entire length.

Is Portway good for motorcycles?+

It is passable. Portway scores 5.6/10 for motorcycles. Consider it a connector rather than a destination ride.

Can I drive Portway in a caravan?+

With care. Portway scores 4.8/10 for caravans. Some sections may be tight or rough for a heavy tow.

Is Portway good for an EV?+

Yes. Portway scores 6.5/10 for EVs. Regenerative braking on any elevation changes and smooth throttle control on the corners will both feel at home here.

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Road data last updated: 28 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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