Our instructed range limit was a couple of km's, but the practical limit was a calculated "when the streetlights come on, can I ride home fast enough that mom w

Our instructed range limit was a couple of km's, but the practical limit was a calculated "when the streetlights come on, can I ride home fast enough that mom won't suspect". Sadly never crossed my mind to figure out what time the lights turned on, and expand my radius further.