- 'https://{s}.tile.thunderforest.com/transport/{z}/{x}/{y}.png' :
- 'http://{s}.tile.thunderforest.com/transport/{z}/{x}/{y}.png',
+ 'https://{s}.tile.thunderforest.com/transport/{z}/{x}/{y}.png?apikey={apikey}' :
+ 'http://{s}.tile.thunderforest.com/transport/{z}/{x}/{y}.png?apikey={apikey}',