Rail lines are the length of railway route available for train service, irrespective of the number of parallel tracks.
Total route rail lines (km)
| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| Cameroon | 1,016.0 | 982.0 | 976.5 | 976.5 | | | | | 1,004.0 | 884.0 | 884.0 | 884.0 | 884.0 | 884.0 |
| Congo | 900.0 | 795.0 | | | 893.2 | | | | | | | | | |
| Gabon | 731.0 | 810.0 | 810.0 | 810.0 | 810.0 | 810.0 | 810.0 | 810.0 | 810.0 | 810.0 | 810.0 | 648.0 | 648.0 | 648.0 |