| | Status: | finished |  | Name in kanji: | 小岩 |  | Name in hiragana: | こいわ |  | Location: | Japan, Tokyo, Edogawa-ku, Minamikoiwa | 
 Trainlines
 
 Nearby stations
 
 Average daily passengers
 
 | 1999 | 64343 |  | 2000 | 64758 |  | 2001 | 65098 |  | 2002 | 64964 |  | 2003 | 64690 |  | 2004 | 63905 |  | 2005 | 63984 |  | 2006 | 64249 |  | 2007 | 65013 |  | 2008 | 64711 |  | 2009 | 63730 |  | 2010 | 63039 |  | 2011 | 62052 |  | 2012 | 62347 |  | 2013 | 63288 |  | 2014 | 63239 |  | 2015 | 64565 |  | 2016 | 65204 |  | 2017 | 66009 |  | 2018 | 66480 |  | 2019 | 66125 |  | 2020 | 50403 | 
 
 | 
 |