If you want an overview of bike routes, bicycle friendly roads and trails in and around Cambridge, Goggle has the answer for you. Go to the Goggle homepage, type google maps Cambridge Ontario. Select the first result Cambridge, ON. Zoom into the desired view. Go to the upper right of your screen and hover your mouse over the word Traffic. Get the full drop down menu which may require you to click on the downward arrow. Select Bicycling from the drop down menu and this will display Trails, Dedicated Lanes and Bicycle friendly roads. All courtesy of the Regional Municipality of Waterloo.
For neighbourhood bike maps go to the City of Cambridge cycling website and scroll down to Neighbourhood Bike Routes where you can download the maps.