Colac Otway Emerging Road-Harm Hotspots

Baseline 2012-2019 versus recent 2022-2025. Metrics are annualised to compare periods.

Caveat: Statistical screening layer only. Use this to identify patterns for review, not to assign causation.

Council worsening summary

CouncilClassBaseline harm/yrRecent harm/yrChange/yrRecent crashes
Colac OtwayMajor worsening865.4995.5130.1337

Worsening locations

LocationClassBaseline harm/yrRecent harm/yrChange/yrRecent FSI
WESTWOOD ROAD / LINK TRACKEmerging from low baseline0.328.728.52
PRINCES HIGHWAY / CONNS LANEEmerging from low baseline0.418.518.27
GREAT OCEAN ROAD / OLD HORDEN VALE ROADStrong worsening3.326.923.61
FORREST-APOLLO BAY ROAD / MULGREWS ROADEmerging from low baseline1.918.516.77
HAMILTON HIGHWAY / COLAC-BALLARAT ROADEmerging from low baseline0.013.313.35
PRINCES HIGHWAY / BIRREGURRA ROADEmerging from low baseline1.313.312.15
COLAC-LAVERS HILL ROAD / HARRIS ROADEmerging from low baseline0.08.48.43
COLAC-FORREST ROAD / TURNER DRIVEEmerging from low baseline0.07.87.83
COLAC-LAVERS HILL ROAD / CASHINS ALT ROADEmerging from low baseline0.07.87.83
PRINCES HIGHWAY / LARPENT ROADEmerging from low baseline0.48.17.73
COLAC-LAVERS HILL ROAD / MURCHISONS ROADEmerging from low baseline1.38.16.83
MAIN STREET / AIREYS STREETModerate worsening6.812.55.84
PRINCES HIGHWAY WEST / PRINCES HIGHWAYEmerging from low baseline0.06.56.52
Unknown locationEmerging from low baseline0.05.55.52
COLAC-BALLARAT ROAD / IRREWARRA STATION ROADEmerging from low baseline0.05.25.22
PIPELINE ROAD / GANES ROADEmerging from low baseline0.05.25.22
PRINCES HIGHWAY / RYANS ROADEmerging from low baseline0.05.25.22
GREAT OCEAN ROAD / LEORKES ACCESSEmerging from low baseline0.15.25.12
PRINCES HIGHWAY / SWAN MARSH-STONYFORD ROADEmerging from low baseline0.15.25.12
COLAC-FORREST ROAD / OLD YEO ROADEmerging from low baseline1.87.05.32
GREAT OCEAN ROAD / JOHANSSONS ROADStrong worsening4.38.64.43
GREAT OCEAN ROAD / JAMIESON TRACKWatch17.316.4-0.86
PRINCES HIGHWAY / HAWKS NEST ROADModerate worsening3.95.71.92
GREAT OCEAN ROAD / OLD OCEAN ROADModerate worsening7.68.10.53
COLAC-LAVERS HILL ROAD / BROCKMANS ROADWatch5.85.2-0.52
MURRAY STREET -MURRAY STREET / QUEEN STREETWatch26.98.1-18.83

Worsening vulnerable-road-user locations

LocationClassBaseline harm/yrRecent harm/yrChange/yr
GELLIBRAND STREET / QUEENS AVENUEEmerging from low baseline0.06.06.0
HART STREET / MILLER STREETStrong worsening0.12.92.7
BRUCE STREET / CHAPEL STREETStrong worsening0.02.62.6
DENNIS STREET / GELLIBRAND STREETStrong worsening0.02.62.6
GREAT OCEAN ROADStrong worsening0.02.62.6
IRREWILLIPE ROAD / HART STREETStrong worsening0.02.62.6
MURRAY STREET / CHURCH STREETStrong worsening0.02.62.6
PRINCES HIGHWAY / TRIGGS ROADStrong worsening0.02.62.6
ROSSMOYNE ROAD / SHANDON COURTStrong worsening0.02.62.6

Worsening heavy-vehicle locations

LocationClassBaseline harm/yrRecent harm/yrChange/yr
LARPENT ROAD / CORUNNUN ROADEmerging from low baseline0.05.25.2
COLAC-FORREST ROAD / OLD YEO ROADStrong worsening0.03.43.4
COLAC-LAVERS HILL ROAD / MURCHISONS ROADStrong worsening0.02.92.9
CAPE OTWAY ROAD / WHOOREL STATION ROADStrong worsening0.02.62.6
COLAC-BALLARAT ROAD / BARPINBA ROADStrong worsening0.02.62.6
PRINCES HIGHWAY / HAWKS NEST ROADStrong worsening0.02.62.6
PRINCES HIGHWAY / TIMBOON-COLAC ROADStrong worsening0.02.62.6
TAITS ROAD / CORANGAMITE LAKE ROADStrong worsening0.02.62.6

Worsening mechanism families

MechanismClassBaseline harm/yrRecent harm/yrChange/yr
Turning / crossing conflictMajor worsening374.9508.6133.7
Run-off-road / loss-of-controlMajor worsening87.5164.577.0
Other / mixed mechanismModerate worsening103.4115.712.2
Object / roadside impactModerate worsening7.68.61.0
Parked-vehicle / roadside conflictWatch107.586.9-20.6
Lane-change / sideswipe conflictWatch167.798.4-69.3

Worsening speed-zone categories

Speed categoryClassBaseline harm/yrRecent harm/yrChange/yr
High-speed roads (80+ km/h)Major worsening635.0735.5100.5
Urban arterial roads (60–70 km/h)Strong worsening68.091.623.6
Unknown speed zoneStrong worsening41.965.323.4