You can easily find Harjumaa's transport schedules FROM HERE. 
Try it too TRAVEL PLANNER.
You can find the latest news and timetables of Keila city lines From the website of North Estonia Public Transport Center.

 The right to ride for free on Keila city buses.
In the period 01.07-31.07, service of the lines is suspended.
Comprehensive plan of Keila city lines from 01.09.2022
Combined schedule of Keila city lines on Saturdays from 01.08.2021  

Keila city lines
Line K14:

Lines K14, K11 and K12

Rõõmu - SOS- Rõõmu

Keila city government's analysis of the authorization of the organization of public transport to the NGO Harjumaa Ühistransportikeskus.
The research work of Tõnu Eelmäe and Kaido Külasalu in the Road Safety curriculum of Haapsalu College of Tallinn University on the topic "Keila Ühistransport".