[Puppage]

Who says they’re designed for light traffic? Granted they’re single lane roads, but who defines small traffic?

[AnotherUnixGeek]

Who says they’re designed for light traffic? Granted they’re single lane roads, but who defines small traffic?

Well, both the single lanes and low speed limits are designed for low traffic levels - you can't have high volumes of traffic on single-lane roads with 25mph speed limits.