Some cities allow electric scooters and bikes on trains and subways, but some are strict about preventing this. What is it like in your city?
It seems like this is the ultimate combo to get around any big city these days. You get the best of both worlds - convenient last-mile mobility and traffic-free movement across larger distances.
Minneapolis MN USA allows them on light rail, but the racks on the front of the bus are limited to 55lbs (so a 46 lb Soltera is OK if you can lift it into place)