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2-wheel vs 3-wheel safety statistics?

T

TurkeyRun

New member
Joined
Nov 3, 2017
Location
Santa Cruz Mountains
Moto(s)
BMW R1200GS
H-D FLHR
H-D XL1200NS
Hey All

I've been scouring the inter webs looking for crash data comparing 2-wheel vs 3-wheel motorcycle crash statistics. Haven't been able to find same.

It seems that the government produced reports lump 2&3 wheels together. The non-government articles are generally from law firms, draw no conclusions, and are riddled with "click here to get a lawyer" links.

I thought I'd ask here as sometimes our LEOs know stuff like this.

Reason I ask, I'm a part-time basic riding instructor, and as of a couple months ago, added a TriGlide to the stable. Going after my 3-wheel instructor cert next week. Nothing in our curriculum talks about 2 vs 3 wheel safety statistics. We quote statistics all the time "38 times more dangerous than a car", "80% chance of getting injured in a collision compared to 20% in a car", "left turning vehicles involved in 20% of motorcycle fatalities" etc. It's just it would be cool to know 2-wheel vs 3-wheel.

TIA!
 
I would think a Tri-Glide and a Can-am would have two different numbers. One is a Tricycle and one has two wheel steering. Two completely different bikes.
 
Oh... I answered in your other post, but did was not thinking of a Tri-Glide. Having ridden ATC's as a kid a tricycle as bill calls it it going to be viscious if it gets out of shape.

However.. speeds are lower so factors probably equal out to motorcycles.. :dunno for sure. Guessing :teeth
 
State law for motorcycles calls them two-wheeled but not more than three-wheeled. As a result, state crash data would lump them together. It'd be tough to find quick data unless you went through it all manually to filter it out by make and model.

SWITRS is the go-to source. Not sure what you have to do to get access to it.
 
Last edited:
TheRiddler said:
State law for motorcycles calls them two-wheeled but not more than three-wheeled. As a result, state crash data would lump them together. It'd be tough to find quick data unless you went through it all manually to filter it out by make and model.

SWITRS is the go-to source. Not sure what you have to do to get access to it.
Click to expand...

This! ^^^ In California, at least. Likely other states as well. 2 and 3 wheeled vehicles are classified as motorcycles. There wouldn't be a differentiation in stats.

Beyond that, I'm really of no help. Anecdotally, I've never been to a collision involving a 3-wheeled motorcycle of any type, and I've been to a number of 2-wheeled motorcycle collisions. But that likely has more to do with sheer numbers on the roads. There are many more 2 wheeled ones out there, and they seem to get ridden more often as compared to 3- wheeled types.
 
bojangle said:
This! ^^^ In California, at least. Likely other states as well. 2 and 3 wheeled vehicles are classified as motorcycles. There wouldn't be a differentiation in stats.

Beyond that, I'm really of no help. Anecdotally, I've never been to a collision involving a 3-wheeled motorcycle of any type, and I've been to a number of 2-wheeled motorcycle collisions. But that likely has more to do with sheer numbers on the roads. There are many more 2 wheeled ones out there, and they seem to get ridden more often as compared to 3- wheeled types.
Click to expand...

Thanks for that. And appreciate your service.

It seems at the State and NHTSC levels, 2 and 3 wheel vehicles are all "motorcycles" for fatality info. so <shrug?>
 
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