Grand Boulevard

SAResidential road1.4 km15 segments

5.2Sports

8.0Safety

1.4 kmTotal length

15Segments

3Recorded crashes

16Grey spot segments

Grand Boulevard is a 1 km sealed residential street in South Australia, Australia. It scores 6.3/10 for caravans with straight corners and excellent surface.

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Vehicle scores

5.2/10

SPTSportsSealed roads, curviness, mountain passes

5.0/10

MOTMotoTight bends, switchbacks, technical roads

5.8/10

EVEVSmooth surface, sealed roads, range-friendly

4.1/10

4WD4WDGravel access, off-road suitability

6.3/10

VANCaravanSmooth sealed, gentle grades, no steep passes

Segment quality distribution

Sports score - 15 segments

Excellent (8+)5%Good (6-8)32%Fair (4-6)63%

Sports score IQR: 5.0 - 6.4

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

0.8

Median curviness. Higher scores mean more bends per kilometre.

Speed

4.0

Speed limit suitability. Sweet spot is 60-110 km/h.

Road classResidential road

3.0

Road classification. Motorways score zero. Tertiary roads score 9.

Traffic

7.0

Estimated traffic density. Lower traffic = higher score.

Elevation

9.0

Elevation change per kilometre. More climbing = higher score.

Crash history

Aggregated across all 15 segments· 10 years of data

Total crashes

Fatalities

Serious injuries

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

Night crashes

Crashes that occurred after dark

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.

Road environment

Geometry and climate-derived risk indicators

8.0/10 safety score - higher is safer

Wet road exposure39%

Night driving risk55%

Wind exposure53%

Sun glare risk23%

Wildlife strike risk10%

Risk values derived from road geometry, orientation, weather station data, and satellite canopy cover. 0 = minimal risk, 1 = maximum risk.

Segments

Top 145 segments by sports score

IDSurfaceLengthSportsMotoEV

#104492423Paved0.17 km8.18.18.2 #103991778Paved0.22 km8.08.08.1 #104492424Paved0.16 km7.97.98.1 #104886946Asphalt0.04 km6.86.67.1 #104334957Asphalt0.10 km6.76.56.8 #104037777Paved0.13 km6.66.57.0 #104886949Asphalt0.04 km6.56.26.6 #104332985Paved0.10 km6.46.36.8 #104037775Paved0.10 km6.46.36.8 #104492425Paved0.08 km6.05.96.5 #104890226Asphalt0.05 km6.05.76.3 #104890225Asphalt0.04 km5.95.76.2 #104492428Paved0.09 km5.45.26.0 #104492427Paved0.06 km5.25.05.8 #104332984Paved0.09 km5.25.05.9 #104745198Asphalt0.05 km5.24.95.4 #103991780Paved0.03 km5.25.05.8 #103998861Asphalt0.26 km5.28.08.8 #103991783Paved0.03 km5.14.95.8 #104332983Paved0.01 km5.04.85.8 #103991782Paved0.05 km5.04.85.8 #103998864Asphalt0.18 km5.07.88.6 #104037778Paved0.05 km5.04.85.8 #103991779Paved0.07 km5.04.75.5 #104492426Paved0.07 km5.04.75.5 #104332986Paved0.08 km4.94.75.6 #103998863Asphalt0.19 km4.87.48.1 #104037776Paved0.06 km4.84.65.4 #104057990Asphalt0.30 km4.87.58.3 #104058044Asphalt0.31 km4.87.58.3 #103998856Asphalt0.40 km4.77.18.0 #104333955Asphalt0.18 km4.77.48.0 #104824357Asphalt0.16 km4.56.97.6 #104178600Asphalt0.23 km4.56.97.8 #103998760Asphalt0.19 km4.46.77.7 #103998854Asphalt0.21 km4.46.67.6 #103998761Asphalt0.15 km4.36.47.4 #104333954Asphalt0.11 km4.26.67.3 #103998857Asphalt0.11 km4.16.17.2 #104057978Asphalt0.33 km4.16.47.1 #104178598Asphalt0.25 km4.16.16.9 #104058048Asphalt0.33 km4.06.27.0 #104824353Asphalt0.07 km3.95.97.0 #104359589Asphalt0.08 km3.96.17.0 #104359584Asphalt0.06 km3.96.06.9 #103998852Asphalt0.14 km3.95.87.1 #103998746Asphalt0.11 km3.85.66.8 #104375252Asphalt0.05 km3.85.86.8 #104824352Asphalt0.14 km3.85.66.5 #104375253Asphalt0.02 km3.85.87.1 #103998763Asphalt0.14 km3.85.66.8 #103998860Asphalt0.13 km3.85.66.9 #104178596Asphalt0.01 km3.85.66.9 #103998754Asphalt0.11 km3.85.56.7 #104335259Asphalt0.06 km3.85.76.7 #104360569Asphalt0.05 km3.85.76.7 #104824356Asphalt0.05 km3.75.56.7 #104824358Asphalt0.07 km3.75.56.7 #104057998Asphalt0.14 km3.75.76.8 #104335260Asphalt0.02 km3.75.76.8 #103998865Asphalt0.09 km3.75.66.8 #104178597Asphalt0.01 km3.75.46.6 #104334963Asphalt0.02 km3.75.66.9 #103998855Asphalt0.06 km3.75.46.6 #104824354Asphalt0.03 km3.75.46.6 #103998747Asphalt0.06 km3.75.46.6 #103998859Asphalt0.07 km3.75.46.6 #103998753Asphalt0.20 km3.75.46.4 #104334960Asphalt0.02 km3.65.56.9 #104058000Asphalt0.18 km3.65.66.5 #103998866Asphalt0.09 km3.65.46.7 #104883596Asphalt0.02 km3.65.56.7 #104334968Asphalt0.19 km3.65.56.5 #104360719Asphalt0.02 km3.65.56.7 #104333953Asphalt0.12 km3.65.56.5 #104360565Asphalt0.02 km3.65.46.7 #104360561Asphalt0.02 km3.65.46.7 #104057996Asphalt0.07 km3.55.56.6 #104335262Asphalt0.02 km3.55.46.6 #103998853Asphalt0.13 km3.55.26.3 #103998858Asphalt0.08 km3.55.26.2 #103998749Asphalt0.28 km3.55.26.2 #104360567Asphalt0.03 km3.55.36.4 #104360570Asphalt0.03 km3.55.36.2 #104178599Asphalt0.07 km3.55.26.2 #103998751Asphalt0.08 km3.55.26.2 #104334967Asphalt0.02 km3.55.36.4 #103998752Asphalt0.06 km3.55.26.2 #103998862Asphalt0.09 km3.55.36.2 #103998748Asphalt0.07 km3.55.26.2 #104883609Asphalt0.01 km3.55.36.4 #103998759Asphalt0.06 km3.55.26.2 #104334965Asphalt0.16 km3.55.36.3 #104743935Asphalt0.25 km3.55.36.3 #104883599Asphalt0.03 km3.55.36.3 #104360711Asphalt0.02 km3.55.26.3 #104360709Asphalt0.15 km3.55.26.3 #104359586Asphalt0.09 km3.45.26.3 #104360552Asphalt0.08 km3.45.26.3 #104883598Asphalt0.03 km3.45.26.3 #104360560Asphalt0.14 km3.45.26.3 #104360715Asphalt0.11 km3.45.16.2 #104743906Asphalt0.01 km3.45.05.9 #104335261Asphalt0.01 km3.45.05.9 #104745092Asphalt0.01 km3.45.05.9 #104824359Asphalt0.01 km3.45.05.9 #104824355Asphalt0.06 km3.44.96.0 #103998750Asphalt0.06 km3.45.05.9 #103998762Asphalt0.02 km3.45.05.9 #104360707Asphalt0.14 km3.45.16.2 #104824528Asphalt0.09 km3.45.26.4 #104334959Asphalt0.11 km3.45.16.2 #104887662Asphalt0.16 km3.45.16.2 #104890227Asphalt0.22 km3.45.16.2 #104743905Asphalt0.04 km3.45.16.2 #104334962Asphalt0.02 km3.45.16.2 #104360554Asphalt0.01 km3.45.16.2 #104883597Asphalt0.02 km3.45.16.0 #104883588Asphalt0.02 km3.45.16.0 #104334964Asphalt0.02 km3.45.06.0 #104360713Asphalt0.02 km3.45.06.0 #104334966Asphalt0.02 km3.45.06.0 #104360563Asphalt0.02 km3.45.06.0 #104334958Asphalt0.02 km3.35.06.0 #104333956Asphalt0.02 km3.35.06.0 #104360717Asphalt0.05 km3.34.95.9 #104360558Asphalt0.01 km3.34.95.9 #104359588Asphalt0.07 km3.35.05.9 #104359587Asphalt0.03 km3.35.05.9 #104360556Asphalt0.01 km3.34.95.9 #104360550Asphalt0.03 km3.34.95.9 #104359585Asphalt0.02 km3.34.95.9 #104334961Asphalt0.01 km3.34.95.9 #104057994Asphalt0.11 km3.35.06.0 #104745004Asphalt0.09 km3.24.95.9 #103998869Asphalt0.15 km3.24.95.9 #104333952Asphalt0.24 km3.24.85.9 #104334969Asphalt0.13 km3.14.75.8 #104824531Asphalt0.08 km3.14.75.8 #104057995Asphalt0.14 km3.14.75.7 #103998867Asphalt0.04 km3.14.75.7 #103998868Asphalt0.06 km3.14.65.7 #104877390Asphalt0.11 km3.14.75.7 #104334970Asphalt0.04 km3.14.75.7 #104877391Asphalt0.10 km3.14.75.7

API reference

Road aggregate data via the Contour API

GET/api/v1/roads/grand-boulevard-sa-2Road aggregate - scores, stats, risk profile, activity, segment list

GET/api/v1/roads/search?q=Grand%20Boulevard&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 Grand Boulevard?+

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

Is Grand Boulevard sealed?+

Yes. Grand Boulevard is fully sealed for its entire length.

Is Grand Boulevard good for motorcycles?+

It is passable. Grand Boulevard scores 5.0/10 for motorcycles. Consider it a connector rather than a destination ride.

Can I drive Grand Boulevard in a caravan?+

Yes. Grand Boulevard scores 6.3/10 for caravans, making it a reasonable choice for towing. Watch for changes in surface and any steep gradients.

Are there any dangerous sections on Grand Boulevard?+

Contour has identified 16 grey spots on Grand Boulevard - 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: 24 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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