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Steve Abley
Don't Wait for Graham
I believe New Zealand and Australia are roughly two decades ahead of the US on road ...
More than 90% of crashes are because of driver error – except that's not what the data says
The NHTSA (National Highway Traffic Safety Administration) paper that includes this ...
Epilogue: From Consistency to Evidence
Consistent application is the missing link in curve advisory speed practice. SafeCurves ...
Part 3: From Better Signing to Better Safety
For years, agencies have relied on methods that can produce different answers for the ...
Part 2: When the Method Becomes the Story
Horizontal curve advisory speeds often vary more than they should. To understand why, it ...
Part 1: The Curve That Should Have Been Obvious
Most drivers assume that if a curve has a warning sign and an advisory speed, the road ...
Road Safety Is Solvable - If We Stop Waiting for Crashes
Every death and serious injury on our roads changes a family, a workplace and a ...
The Circle Completes
What earning ICE Fellowship taught me about the people who got me here. I was recently ...
Testing the Assumptions Behind Development Contributions
How analytical testing can reveal when policy proxies overstate infrastructure demand The ...