In my opinion, it is logos. I think that the sentence is LOGICAL.
Corrected:
This paper provides a summary of evidence on changes in cycling and physical activity in five towns following the first phase of the Department for Transport cycling investment programme between October 2012 and February 2017. It draws on three separately published volumes of evidence<u>: </u>Demonstration Towns monitoring report, 2012-17<u>: </u>Public Opinion Results, 2009-17<u>; </u>and Cycling Demonstration Surveys of Physical Activity, 2005-17.
I gave an explanation of the usage of semicolons and colons in another question you had, so I won't repeat it again, but still let me know if you have any questions!
