In Paris (and other European cities too I guess), wait time for the metro is 2-5min between 2 trains during the day (depending on how busy the line is, and whet

In Paris (and other European cities too I guess), wait time for the metro is 2-5min between 2 trains during the day (depending on how busy the line is, and whether you’re at peak hours). At very low usage hours (at night, or early morning), it can get longer, but it hardly ever gets to 15min