OB18 Access
OB18 Access is a 5 km sealed tertiary route in Western Australia, Australia. It scores 7.4/10 for EVs with gently winding corners and excellent surface.
7-day forecast
Sports score IQR: 4.1 - 4.5
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.
Risk values derived from road geometry, orientation, weather station data, and satellite canopy cover. 0 = minimal risk, 1 = maximum risk.
/api/v1/roads/ob18-access-waRoad aggregate - scores, stats, risk profile, activity, segment list/api/v1/roads/search?q=OB18%20Access&state=WASearch roads by nameCouncils & 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 →How long is OB18 Access?+
OB18 Access is approximately 5 km long. At typical touring speeds, expect around 1 hour of driving end to end, excluding stops.
Is OB18 Access sealed?+
Yes. OB18 Access is fully sealed for its entire length.
Is OB18 Access good for motorcycles?+
It rates well. OB18 Access scores 6.6/10 for motorcycles, with enough character to be worth the trip for most riders.
Can I drive OB18 Access in a caravan?+
With care. OB18 Access scores 4.0/10 for caravans. Some sections may be tight or rough for a heavy tow.
Is OB18 Access good for an EV?+
Yes. OB18 Access scores 7.4/10 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 OB18 Access?+
Contour has identified 13 grey spots on OB18 Access - sections where the road geometry does not match the posted speed limit. Take extra care in wet or low-visibility conditions.
Road data last updated: 23 April 2026. Scores are based on road geometry, surface, and traffic data. Always drive to conditions and follow local road rules.