Ayushjain1202

November 2017

Thank you for your contributions to Wikipedia. Regarding your edits to List of metro systems, please use the preview button before you save your edit; this helps you find any errors you have made, reduces edit conflicts, and prevents clogging up recent changes and the page history. Below the edit box is a Show preview button. Pressing this will show you what the article will look like without actually saving it.

The "show preview" button is right next to the "save page" button and below the edit summary field.

It is strongly recommended that you use this before saving. If you have any questions, contact the help desk for assistance. Thank you. CityOfSilver 06:42, 28 November 2017 (UTC)

Please do not add or change content, as you did at List of metro systems, without citing a reliable source. Please review the guidelines at Wikipedia:Citing sources and take this opportunity to add references to the article. Thank you. CityOfSilver 07:51, 28 November 2017 (UTC)