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Princes Highway

SAPrimary road369.2 km959 segmentsB1
6.2Sports
369.2 kmTotal length
959Segments
409Recorded crashes
904Grey spot segments
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Princes Highway is a 369 km sealed primary route in South Australia, Australia. It scores 7.3/10 for caravans with straight corners and excellent surface.

Explore more roads near Mount Gambier89 km

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Vehicle scores
6.2/10
SPTSportsSealed roads, curviness, mountain passes
5.9/10
MOTMotoTight bends, switchbacks, technical roads
6.4/10
EVEVSmooth surface, sealed roads, range-friendly
4.8/10
4WD4WDGravel access, off-road suitability
7.3/10
VANCaravanSmooth sealed, gentle grades, no steep passes
Segment quality distribution
Sports score - 959 segments
Excellent (8+)9%Good (6-8)52%Fair (4-6)37%Poor (<4)2%

Sports score IQR: 5.9 - 7.1

Surface
Surface coverage
Sealed91%Unsealed9%
Score breakdown
Median component scores across all segments
Surface
10.0
Median surface quality. Smooth sealed asphalt scores 10. Chipseal 8. Gravel 5.
Curviness
0.5
Median curviness. Higher scores mean more bends per kilometre.
Speed
10.0
Speed limit suitability. Sweet spot is 60-110 km/h.
Road classPrimary road
5.0
Road classification. Motorways score zero. Tertiary roads score 9.
Traffic
9.0
Estimated traffic density. Lower traffic = higher score.
Elevation
4.0
Elevation change per kilometre. More climbing = higher score.
Crash history
Aggregated across all 959 segments· 10 years of data
409
Total crashes
13
Fatalities
64
Serious injuries
904
Grey spots

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

0%

Based on 10 years of crash records linked to road geometry. Crash breakdown (night, wet, weekends): VIC data 2012-2024. Other states show aggregate counts only.

Traffic volume
Annual average daily traffic
1,200vehicles per day (median)

Coverage: 100% of segments have AADT data. Based on traffic count surveys - actual volumes vary by season.

Road environment
Geometry and climate-derived risk indicators
7.7/10 safety score - higher is safer
Wet road exposure42%
Night driving risk40%
Wind exposure43%
Sun glare risk53%
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 500 segments by sports score
IDSurfaceLengthSportsMotoEV
#104466692Asphalt0.50 km9.19.19.1#104458237Asphalt0.50 km8.88.78.7#103996608Asphalt0.50 km8.78.78.6#104466708Asphalt0.50 km8.78.78.6#104035421Asphalt0.50 km8.78.78.6#104737881Asphalt0.50 km8.78.68.6#104737879Asphalt0.50 km8.68.68.4#104056336Asphalt0.50 km8.68.58.4#104056329Asphalt0.50 km8.68.58.4#103996602Asphalt0.50 km8.68.58.5#104056333Asphalt0.50 km8.58.58.5#104466695Asphalt0.50 km8.58.58.3#103966837Asphalt0.50 km8.58.48.3#104737898Asphalt0.50 km8.58.48.3#104466698Asphalt0.50 km8.58.48.3#104737859Asphalt0.50 km8.58.48.3#104737888Asphalt0.50 km8.58.48.4#104056301Asphalt0.50 km8.58.48.4#104737871Asphalt0.50 km8.58.48.4#104517373Asphalt0.50 km8.48.48.4#104466709Asphalt0.50 km8.48.48.4#104035467Asphalt0.50 km8.48.48.4#104737880Asphalt0.50 km8.48.48.4#104035438Asphalt0.50 km8.48.38.2#104056312Asphalt0.50 km8.48.38.4#104253001Asphalt0.50 km8.48.38.4#104252990Asphalt0.50 km8.48.38.2#104226108Asphalt0.50 km8.48.38.4#104466700Asphalt0.37 km8.48.38.2#104466268Asphalt0.50 km8.48.38.2#104252880Asphalt0.50 km8.48.38.2#104737865Asphalt0.50 km8.48.38.2#104253000Asphalt0.50 km8.48.38.3#104252754Asphalt0.50 km8.38.38.2#104035473Asphalt0.50 km8.38.38.3#104252882Asphalt0.50 km8.38.38.2#104226091Asphalt0.36 km8.38.28.3#104425186Asphalt0.50 km8.38.38.2#104226139Asphalt0.50 km8.38.38.3#104035444Asphalt0.50 km8.38.38.2#104466699Asphalt0.50 km8.38.38.2#104226142Asphalt0.50 km8.38.28.3#104425179Asphalt0.50 km8.38.38.2#104226100Asphalt0.50 km8.38.28.3#104035426Asphalt0.50 km8.38.28.2#104252859Asphalt0.44 km8.38.28.2#104466233Asphalt0.50 km8.38.28.2#104056324Asphalt0.45 km8.38.28.1#104466689Asphalt0.50 km8.38.28.1#103966868Asphalt0.50 km8.38.28.1#104054153Asphalt0.50 km8.38.28.2#104466677Asphalt0.50 km8.38.28.1#104737889Asphalt0.50 km8.38.28.3#104737886Asphalt0.50 km8.38.28.1#104054138Asphalt0.50 km8.38.28.1#104466707Asphalt0.50 km8.28.28.1#104056292Asphalt0.50 km8.28.28.1#104056331Asphalt0.50 km8.28.28.2#104737884Asphalt0.50 km8.28.28.2#104252891Asphalt0.47 km8.28.28.2#104466697Asphalt0.50 km8.28.18.1#104466691Asphalt0.50 km8.28.18.2#104737854Asphalt0.50 km8.28.18.1#104226154Asphalt0.50 km8.28.18.2#104253002Asphalt0.50 km8.28.18.2#104056332Asphalt0.50 km8.28.18.2#103966839Asphalt0.50 km8.28.18.1#104466690Asphalt0.50 km8.28.18.1#104466686Asphalt0.50 km8.28.18.0#104458225Asphalt0.50 km8.28.18.0#104466282Asphalt0.50 km8.28.18.0#104226124Asphalt0.50 km8.28.18.2#104466291Asphalt0.50 km8.18.18.0#104056299Asphalt0.50 km8.18.18.2#104466283Asphalt0.50 km8.18.08.0#104056302Asphalt0.50 km8.18.08.0#104458229Asphalt0.50 km8.18.08.1#104226148Asphalt0.36 km8.18.08.1#104056342Asphalt0.50 km8.18.08.0#104192955Asphalt0.50 km8.18.08.0#104226110Asphalt0.50 km8.18.08.1#104425174Asphalt0.50 km8.18.08.0#104826846Asphalt0.50 km8.18.08.0#104466252Asphalt0.50 km8.18.07.9#104466294Asphalt0.50 km8.18.07.9#104035430Asphalt0.50 km8.18.07.9#104458235Asphalt0.50 km8.18.08.1#104737860Asphalt0.50 km8.07.97.9#104466673Asphalt0.50 km8.07.97.9#104466706Asphalt0.50 km8.07.97.9#104466682Asphalt0.50 km8.07.97.9#103996604Asphalt0.50 km8.07.98.1#104056341Asphalt0.50 km8.07.97.9#104226101Asphalt0.50 km8.07.97.9#104737882Asphalt0.50 km8.07.98.1#104737878Asphalt0.50 km8.07.97.9#104056328Asphalt0.50 km8.07.97.9#104056317Asphalt0.50 km8.07.98.1#104737905Asphalt0.50 km8.07.97.9#104056338Asphalt0.50 km8.07.97.9#104056318Asphalt0.50 km8.07.98.1#104466715Asphalt0.50 km8.07.87.8#103966833Asphalt0.50 km8.07.87.8#104458239Asphalt0.50 km8.07.87.8#104826842Asphalt0.31 km8.07.87.8#104425176Asphalt0.50 km8.07.87.8#104056340Asphalt0.50 km8.07.87.8#103996600Asphalt0.50 km8.07.88.1#104056330Asphalt0.50 km8.07.87.8#104737866Asphalt0.50 km8.07.87.8#104425177Asphalt0.50 km7.97.87.8#104425165Asphalt0.50 km7.97.88.0#104425182Asphalt0.50 km7.97.87.8#103966838Asphalt0.50 km7.97.87.8#104737891Asphalt0.50 km7.97.87.8#104056322Asphalt0.50 km7.97.88.0#104682134Asphalt0.50 km7.97.77.6#104226096Asphalt0.34 km7.97.78.0#104252855Asphalt0.50 km7.97.77.6#104466702Asphalt0.48 km7.97.77.8#104252720Asphalt0.50 km7.97.77.6#104711119Asphalt0.50 km7.97.77.9#104466685Asphalt0.50 km7.97.77.8#104466290Asphalt0.50 km7.87.77.6#104054155Asphalt0.50 km7.87.78.0#104517369Asphalt0.48 km7.87.78.0#104466694Asphalt0.50 km7.87.77.7#104054159Asphalt0.50 km7.87.77.7#104636668Asphalt0.50 km7.87.77.7#104466670Asphalt0.50 km7.87.77.7#104056323Asphalt0.50 km7.87.77.7#104737874Asphalt0.50 km7.87.77.7#104054115Asphalt0.44 km7.87.77.6#104737890Asphalt0.50 km7.87.67.5#104056304Asphalt0.50 km7.87.67.5#104252895Asphalt0.50 km7.87.67.5#104826849Asphalt0.50 km7.87.67.7#104252998Asphalt0.50 km7.87.67.7#104252980Asphalt0.50 km7.87.67.5#103996628Asphalt0.45 km7.77.67.6#104035448Asphalt0.50 km7.77.67.9#104056296Asphalt0.50 km7.77.67.6#104226114Asphalt0.50 km7.77.57.8#104054156Asphalt0.50 km7.77.67.6#104466676Asphalt0.41 km7.77.57.6#104630905Asphalt0.26 km7.77.57.6#104056345Asphalt0.50 km7.77.57.6#104425170Asphalt0.50 km7.77.57.6#104056334Asphalt0.50 km7.77.57.6#104466710Asphalt0.50 km7.77.57.6#104054143Asphalt0.50 km7.77.57.5#104056300Asphalt0.50 km7.77.57.6#104517374Asphalt0.50 km7.77.57.8#104466701Asphalt0.50 km7.77.57.4#104252719Asphalt0.50 km7.77.57.5#104252893Asphalt0.50 km7.77.57.6#104054152Asphalt0.50 km7.67.57.6#104425183Asphalt0.50 km7.67.57.6#104056339Asphalt0.47 km7.67.57.6#104636877Asphalt0.50 km7.67.57.7#104517378Asphalt0.50 km7.67.47.5#104737912Asphalt0.50 km7.67.57.6#104252756Asphalt0.36 km7.67.57.4#104466716Asphalt0.25 km7.67.57.6#104129447Asphalt0.50 km7.67.57.6#104056290Asphalt0.50 km7.67.57.5#104636879Asphalt0.50 km7.67.57.7#104682116Asphalt0.50 km7.67.57.6#104226097Asphalt0.35 km7.67.47.7#104056298Asphalt0.50 km7.67.47.5#104737903Asphalt0.50 km7.67.47.5#104054095Asphalt0.50 km7.67.47.5#104711188Asphalt0.50 km7.67.47.7#104056315Asphalt0.50 km7.67.47.5#104737900Asphalt0.50 km7.67.47.5#104466696Asphalt0.50 km7.67.47.5#104129446Asphalt0.50 km7.67.47.4#104466287Asphalt0.27 km7.67.47.4#104445703Asphalt0.50 km7.67.47.5#104737872Asphalt0.50 km7.57.47.5#104628864Asphalt0.50 km7.57.37.4#104466258Asphalt0.50 km7.57.37.5#104054158Asphalt0.50 km7.57.47.5#104737902Asphalt0.50 km7.57.37.3#104035462Asphalt0.50 km7.57.37.5#104425185Asphalt0.50 km7.57.37.5#104226144Asphalt0.28 km7.57.37.5#104826851Asphalt0.45 km7.57.37.7#104466669Asphalt0.50 km7.57.37.5#104737895Asphalt0.24 km7.57.37.5#104054144Asphalt0.50 km7.57.37.3#103966844Asphalt0.50 km7.57.37.5#104682110Asphalt0.50 km7.57.37.3#104056286Asphalt0.50 km7.57.37.7#104192957Asphalt0.50 km7.57.37.3#104253011Asphalt0.50 km7.57.37.4#104252753Asphalt0.50 km7.57.37.3#104054136Asphalt0.50 km7.57.37.3#104425178Asphalt0.50 km7.57.37.3#104035477Asphalt0.50 km7.47.37.4#104458220Asphalt0.27 km7.47.27.4#104466303Asphalt0.50 km7.47.27.3#104826852Asphalt0.50 km7.47.37.3#104826847Asphalt0.45 km7.47.37.4#104682132Asphalt0.50 km7.47.37.3#104466713Asphalt0.50 km7.47.27.4#104466314Asphalt0.50 km7.47.27.2#104035424Asphalt0.50 km7.47.27.4#104252874Asphalt0.50 km7.47.27.2#104056294Asphalt0.50 km7.47.27.4#103966841Asphalt0.50 km7.47.27.2#104252996Asphalt0.41 km7.47.27.2#104226119Asphalt0.50 km7.47.27.3#104056291Asphalt0.50 km7.47.27.4#104035479Asphalt0.50 km7.47.27.2#104252807Asphalt0.34 km7.47.27.2#104445699Asphalt0.50 km7.47.27.2#104252809Asphalt0.50 km7.47.27.2#103966860Asphalt0.50 km7.37.27.3#104425184Asphalt0.50 km7.37.27.3#104466672Asphalt0.50 km7.37.17.3#104252856Asphalt0.50 km7.37.37.0#104628861Asphalt0.50 km7.37.17.3#104226116Asphalt0.26 km7.37.17.5#104466681Asphalt0.50 km7.37.17.3#104226159Asphalt0.50 km7.37.17.3#104466683Asphalt0.50 km7.37.17.2#104511641Asphalt0.33 km7.37.17.3#103966857Asphalt0.50 km7.37.17.3#104445702Asphalt0.49 km7.37.17.2#104445698Asphalt0.31 km7.37.17.3#104737810Asphalt0.33 km7.37.17.3#104737801Asphalt0.50 km7.37.17.3#104466305Asphalt0.50 km7.37.07.3#104252755Asphalt0.31 km7.37.17.1#104466679Asphalt0.50 km7.27.07.3#104737897Asphalt0.50 km7.27.07.1#104054137Asphalt0.24 km7.27.07.2#104425172Asphalt0.17 km7.27.07.4#104656519Asphalt0.29 km7.27.17.2#104511640Asphalt0.36 km7.27.07.2#104466264Asphalt0.50 km7.27.07.1#104226117Asphalt0.50 km7.27.07.2#104466239Asphalt0.50 km7.27.07.2#104466234Asphalt0.35 km7.27.07.2#104466250Asphalt0.50 km7.27.07.1#104425188Asphalt0.50 km7.27.07.2#104466261Asphalt0.50 km7.27.07.0#104252973Asphalt0.26 km7.27.07.1#104252887Asphalt0.50 km7.27.07.2#104252979Asphalt0.39 km7.16.97.0#104252999Asphalt0.25 km7.16.97.2#104466284Asphalt0.50 km7.16.97.0#104252889Asphalt0.50 km7.16.97.2#104737812Asphalt0.50 km7.16.97.1#104466312Asphalt0.46 km7.16.97.0#104737813Asphalt0.50 km7.16.97.3#103966885Asphalt0.50 km7.16.97.1#104458224Asphalt0.45 km7.16.97.3#104425173Asphalt0.40 km7.16.97.1#104737917Asphalt0.50 km7.16.97.0#104737809Asphalt0.50 km7.17.06.8#104682133Asphalt0.14 km7.06.87.1#104252991Asphalt0.43 km7.06.87.0#104737808Asphalt0.50 km7.06.87.1#104466236Asphalt0.50 km7.06.87.1#104226093Asphalt0.39 km7.06.87.1#104466289Asphalt0.50 km7.06.96.7#104054114Asphalt0.50 km7.06.86.9#104006044Asphalt0.50 km7.06.87.0#103966882Asphalt0.50 km7.06.86.9#104252858Asphalt0.50 km7.06.86.9#104682139Asphalt0.50 km7.06.86.9#104226092Asphalt0.41 km7.06.87.0#104054141Asphalt0.32 km7.06.86.9#104737876Asphalt0.50 km7.06.87.0#104035464Asphalt0.50 km7.06.87.0#104226146Asphalt0.30 km7.06.77.0#104056310Asphalt0.50 km7.06.87.3#104737803Asphalt0.50 km7.06.77.0#104252989Asphalt0.50 km7.06.96.7#104056307Asphalt0.50 km7.06.77.0#104466288Asphalt0.50 km7.06.86.7#104466265Asphalt0.50 km6.96.86.7#104682138Asphalt0.50 km6.96.76.9#104466286Asphalt0.50 km6.96.76.9#104425190Asphalt0.12 km6.96.77.2#103996626Asphalt0.50 km6.96.86.7#104226135Asphalt0.50 km6.96.77.0#104737855Asphalt0.50 km6.96.76.9#104869058Asphalt0.20 km6.96.77.2#104466296Asphalt0.50 km6.96.86.7#104054121Asphalt0.50 km6.96.86.7#104737802Asphalt0.22 km6.96.77.0#104056305Asphalt0.50 km6.96.77.0#104737807Asphalt0.50 km6.96.77.0#104252921Asphalt0.23 km6.96.77.0#104517368Asphalt0.41 km6.96.77.0#104636671Asphalt0.50 km6.96.66.9#104737814Asphalt0.50 km6.96.67.0#104466313Asphalt0.50 km6.96.66.8#104466254Asphalt0.50 km6.96.66.8#104253009Asphalt0.39 km6.96.66.9#104466255Asphalt0.50 km6.96.66.8#104636884Asphalt0.50 km6.96.67.1#104252721Asphalt0.26 km6.96.67.0#104006038Asphalt0.50 km6.96.66.9#104737811Asphalt0.50 km6.86.66.9#104737800Asphalt0.50 km6.86.66.9#104425171Asphalt0.10 km6.86.67.2#104737916Asphalt0.23 km6.86.67.2#104466276Asphalt0.50 km6.86.66.9#104525020Asphalt0.25 km6.86.66.9#103966830Asphalt0.50 km6.86.66.8#104682123Asphalt0.50 km6.86.66.8#104737815Asphalt0.50 km6.86.66.9#104466232Asphalt0.50 km6.86.76.6#104466278Asphalt0.50 km6.86.66.8#104035440Asphalt0.50 km6.86.66.8#103966867Asphalt0.50 km6.86.66.8#104035436Asphalt0.50 km6.86.66.9#104222541Asphalt0.44 km6.86.76.7#104035475Asphalt0.50 km6.86.66.9#104466246Asphalt0.22 km6.86.66.9#104252988Asphalt0.50 km6.86.56.7#104192962Asphalt0.19 km6.86.67.0#104826841Asphalt0.49 km6.86.66.8#104056327Asphalt0.16 km6.86.56.9#104226133Asphalt0.50 km6.86.56.9#104466310Asphalt0.50 km6.86.56.9#104252857Asphalt0.50 km6.86.56.7#104737877Asphalt0.09 km6.86.57.1#104252983Asphalt0.50 km6.86.76.5#104035471Asphalt0.33 km6.86.57.1#104466251Asphalt0.42 km6.86.56.7#104252929Asphalt0.50 km6.86.66.5#104056343Asphalt0.50 km6.86.56.8#104056337Asphalt0.50 km6.76.56.8#104056311Asphalt0.50 km6.76.56.8#104737834Asphalt0.50 km6.76.56.8#104425181Asphalt0.50 km6.76.56.8#104466704Asphalt0.50 km6.76.66.5#104252984Asphalt0.15 km6.76.56.7#104737857Asphalt0.50 km6.76.66.5#103966856Asphalt0.50 km6.76.56.8#104682118Asphalt0.50 km6.76.56.7#104006037Asphalt0.28 km6.76.47.0#104056321Asphalt0.50 km6.76.57.0#104035456Asphalt0.50 km6.76.46.7#104226095Asphalt0.16 km6.76.46.8#104826853Asphalt0.05 km6.76.57.2#104252978Asphalt0.50 km6.76.46.7#104737828Asphalt0.50 km6.76.46.6#104252876Asphalt0.50 km6.76.46.6#104682121Asphalt0.50 km6.76.46.6#104252910Asphalt0.50 km6.76.46.6#104458218Asphalt0.20 km6.76.47.0#104682147Asphalt0.50 km6.66.46.6#104210828Asphalt0.50 km6.66.36.7#104226158Asphalt0.50 km6.66.56.4#104821094Asphalt0.21 km6.66.47.0#104466671Asphalt0.28 km6.66.36.7#104466257Asphalt0.50 km6.66.36.6#104737868Asphalt0.50 km6.66.36.9#104466678Asphalt0.08 km6.66.36.9#104737841Asphalt0.50 km6.66.36.6#104737862Asphalt0.50 km6.66.36.6#104737798Asphalt0.50 km6.66.36.6#104192968Asphalt0.19 km6.66.36.7#104226140Asphalt0.39 km6.66.36.7#104056306Asphalt0.46 km6.66.36.5#104737831Asphalt0.50 km6.56.36.5#104628856Asphalt0.50 km6.56.36.6#104869060Asphalt0.08 km6.56.36.9#103966853Asphalt0.50 km6.56.36.5#104869085Asphalt0.43 km6.56.46.7#104869062Asphalt0.08 km6.56.36.7#104466309Asphalt0.23 km6.56.36.7#104056346Asphalt0.06 km6.56.36.9#104517380Asphalt0.29 km6.56.26.9#104252885Asphalt0.50 km6.56.36.7#104466241Asphalt0.50 km6.56.36.5#104737819Asphalt0.50 km6.56.36.5#104737822Asphalt0.50 km6.56.36.7#103966874Asphalt0.02 km6.56.37.0#104711187Asphalt0.26 km6.56.26.6#104737842Asphalt0.50 km6.56.36.5#104737869Asphalt0.50 km6.56.36.9#103966877Asphalt0.50 km6.56.26.5#104737835Asphalt0.40 km6.56.26.5#104466263Asphalt0.50 km6.56.26.5#104252995Asphalt0.25 km6.56.26.6#104054154Asphalt0.50 km6.56.26.7#104466675Asphalt0.50 km6.56.26.6#104226099Asphalt0.02 km6.56.36.9#104252867Asphalt0.50 km6.56.26.5#104737867Asphalt0.14 km6.56.26.8#103996625Asphalt0.35 km6.56.26.6#104035447Asphalt0.50 km6.56.26.6#104054160Asphalt0.50 km6.56.26.6#104636635Asphalt0.40 km6.56.26.4#104035452Asphalt0.50 km6.56.26.6#104826855Asphalt0.02 km6.56.26.8#104056303Asphalt0.50 km6.56.26.5#104466272Asphalt0.26 km6.56.26.8#104210834Asphalt0.35 km6.46.16.5#104466687Asphalt0.39 km6.46.26.5#104056309Asphalt0.50 km6.46.26.6#104466712Asphalt0.50 km6.46.26.6#104035450Asphalt0.50 km6.46.26.6#104035434Asphalt0.50 km6.46.26.6#104252744Asphalt0.01 km6.46.26.8#104054131Asphalt0.01 km6.46.26.8#104682112Asphalt0.05 km6.46.26.8#104252735Asphalt0.05 km6.46.26.8#104252739Asphalt0.02 km6.46.26.8#104466684Asphalt0.50 km6.46.26.6#104054094Asphalt0.05 km6.46.26.8#104636665Asphalt0.50 km6.46.16.4#104826854Asphalt0.03 km6.46.26.8#104252994Asphalt0.20 km6.46.26.8#104253004Asphalt0.50 km6.46.16.6#104210835Asphalt0.22 km6.46.16.7#104737914Asphalt0.50 km6.46.16.6#104466680Asphalt0.50 km6.46.16.6#104869091Asphalt0.26 km6.46.16.6#104628859Asphalt0.33 km6.46.16.4#104252742Asphalt0.02 km6.46.16.9#103966831Asphalt0.50 km6.46.16.6#104636658Asphalt0.50 km6.46.26.2#104737833Asphalt0.50 km6.46.16.5#104129442Asphalt0.08 km6.46.16.8#104192958Asphalt0.50 km6.46.16.7#104737806Asphalt0.50 km6.46.16.5#104737825Asphalt0.50 km6.46.16.5#104458222Asphalt0.50 km6.46.16.5#104517370Asphalt0.11 km6.36.16.7#103966834Asphalt0.03 km6.36.16.7#104517372Asphalt0.13 km6.36.16.7#103996611Asphalt0.01 km6.36.16.7#104466693Asphalt0.28 km6.36.16.7#104869063Asphalt0.01 km6.36.16.7#104466245Asphalt0.50 km6.36.16.4#103996596Asphalt0.50 km6.36.16.7#104737918Asphalt0.09 km6.36.16.5#104054122Asphalt0.50 km6.36.16.4#103996609Asphalt0.50 km6.36.16.5#104466304Asphalt0.50 km6.36.06.4#104040146Asphalt0.12 km6.36.16.8#104252908Asphalt0.11 km6.36.16.5#104252977Asphalt0.50 km6.36.16.4#104054120Asphalt0.50 km6.36.16.4#104826844Asphalt0.50 km6.36.16.5#103966846Asphalt0.50 km6.36.06.5#104226131Asphalt0.27 km6.36.06.7#104737836Asphalt0.50 km6.36.06.4#103966845Asphalt0.50 km6.36.06.5#104737824Asphalt0.50 km6.36.06.5#104035458Asphalt0.50 km6.36.06.5#104056320Asphalt0.50 km6.36.06.5#104056326Asphalt0.10 km6.36.06.5#104210836Asphalt0.50 km6.36.06.6#104458211Asphalt0.28 km6.36.06.7#104466259Asphalt0.50 km6.36.06.3#104226150Asphalt0.50 km6.36.06.5#104425180Asphalt0.50 km6.36.06.3#104682153Asphalt0.28 km6.36.16.5#104458227Asphalt0.08 km6.36.06.5#104869061Asphalt0.06 km6.36.06.5#104682145Asphalt0.50 km6.36.06.3#104682146Asphalt0.50 km6.36.06.3#104056316Asphalt0.05 km6.36.06.5#104222539Asphalt0.22 km6.36.06.4#104425169Asphalt0.24 km6.36.06.5#104056344Asphalt0.50 km6.36.06.3#104056314Asphalt0.50 km6.36.06.5#104737816Asphalt0.50 km6.36.06.3#104466703Asphalt0.50 km6.36.06.5#104711122Asphalt0.24 km6.36.06.4#104458243Asphalt0.04 km6.36.06.5#104682122Asphalt0.50 km6.36.06.3#104035454Asphalt0.50 km6.36.06.4#104737844Asphalt0.38 km6.36.06.3#104711189Asphalt0.23 km6.25.96.4#104253005Asphalt0.23 km6.25.96.4#104466247Asphalt0.50 km6.26.06.3#104466266Asphalt0.42 km6.26.06.4#104737906Asphalt0.50 km6.26.06.3#104821093Asphalt0.50 km6.25.96.4#104821095Asphalt0.31 km6.25.96.4#104466292Asphalt0.50 km6.25.96.3#104636677Asphalt0.38 km6.25.96.4#104869087Asphalt0.13 km6.26.06.4#104226112Asphalt0.04 km6.25.96.6#104253013Asphalt0.01 km6.25.96.6#104252899Asphalt0.15 km6.26.06.4#104630906Asphalt0.10 km6.26.06.4#104252903Asphalt0.05 km6.26.06.4#104636878Asphalt0.08 km6.25.96.7#104636886Asphalt0.05 km6.25.96.7
Showing top 500 of 959 segments
API reference
Road aggregate data via the Contour API
GET/api/v1/roads/princes-highway-saRoad aggregate - scores, stats, risk profile, activity, segment list
GET/api/v1/roads/search?q=Princes%20Highway&state=SASearch roads by name

Councils & Government

This road is part of SA'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 Princes Highway?+

Princes Highway is approximately 369 km long. At typical touring speeds, expect around 5 hours of driving end to end, excluding stops.

Is Princes Highway sealed?+

Yes. Princes Highway is fully sealed for its entire length.

Is Princes Highway good for motorcycles?+

It is passable. Princes Highway scores 5.9/10 for motorcycles. Consider it a connector rather than a destination ride.

Can I drive Princes Highway in a caravan?+

Yes. Princes Highway scores 7.3/10 for caravans, making it a reasonable choice for towing. Watch for changes in surface and any steep gradients.

Is Princes Highway good for an EV?+

Yes. Princes Highway scores 6.4/10 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 Princes Highway?+

Contour has identified 904 grey spots on Princes Highway - 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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