Railroads, I think, would add a more organized transportation system in Cantr and would be an idea to add in when the grid system is (if ever) implemented. Railroads would work with you having to place down track in a grid in the direction you want the track to go in (ex. North, South, etc...). Hopefully by this time, steel is a little more common place and would thus be used for the tracks along with wood and iron. A track would be built in the middle of the grid square and head in the direction that it is built toward and ends at the beginning of the next grid square where a new track will be laid up to the middle of that grid square. This will continue in such a fashion until the people have all the tracked laid out up to the point where they want the train to go. In order to use the tracks you must build a locomotive. The locomotive would need a steam engine like a car needs a car engine. The locomotive will run on coal, wood, or even charcoal to run. At this point you can build cars (mabye have different kinds, like a passenger car meant for people and a cattle car meant for animals, etc...though it won't be restricted for you can still transport people in a cattle car
). Then you can attatch and reattatch cars to the locomotive. How far a locomotive can go in a turn depends on how many cars are attatched and how much weight is within each car. People can build train stations in certain grids and a train station could work like a Coaster Harbour does with boats but trains can stop anywhere and people or even animals can get off anywhere (maybe even when the train is moving 
). The movement will be controlled by any people in the locomotive thus people in the cars cannot control the movement of the train and are along for the ride unless they decide to jump off.
Telegraphs would work in a similiar way as railroad tracks where you need to build telegraph lines in a certain direction. The lines will have to be connected to at least two transmitters in order to work. If you are at a transmitter you will have an option to transmit your message to the nearest tranmitter (if there are any) in each direction. Then depending on your message, a person at the next transmitter would have to relay the message to the area the person wants if it isn't one of the nearest areas. Add in the ability to cut telegraph lines (would require that someone has a knife or sword or sharp object and even a ladder to do so) which would be a highly visible event (but will people be in every grid square all the time
). That would allow for people to sabotage communications for their own reasons. I think Cantr is coming to the point where telegraphs are badly needed for long distance communications. Sometimes urgent messages are sent to places and by the time people react and take action the situation would have changed (ex. Siom, Quillanoi, Brunoi, and Tircqi). The building and maintaining of telegraph lines would require a lot of work and maitenance (building the lines and transmitters and repairing sabotaged lines) as well as character activity (relaying messages etc...).
I have more ideas on this stuff but I will post them later when I have the time to.
Thats all I want to hear I'm a wiz there it's part of my job