If you’re ever on the backpacking circuit you’ll meet people like that. They work just long enough to save up for their next trip.

I do about 3k miles a year and safety is my top priority. I have (knock wood) never had a serious accident, but I’ve had a couple close calls (always from an inattentive driver). Every time I read about a road cycling injury, I shudder. The Gaudreau brothers incident was particularly harrowing.

I have flashing lights on my bike, wear high vis, ride with traffic, and signal when turning. But the absolute best piece of bike safety gear imho (and one which I see fairly infrequently even though it’s cheap), is an eyeglass or helmet mounted rear-view mirror. I see handlebar mirrors sometimes and I’ve tried them myself but they aren’t nearly as good (they are useless when turning). The eyeglass mirror is a little distracting at first, but eventually you stop noticing it unless you want to, and it’s like having eyes in the back of your head.

I’m on the road a lot as a cyclist. Like OP, I’d estimate that at least a quarter of vehicles rarely or never signal.

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John Huffman, the chemist who originally developed the synthetic cannabinoids later found in K2/Spice, has repeatedly warned that these compounds were never meant for recreational use.