On trade routes:
-The range of land TR is 10 tiles (which gets extended to 15 with caravansary and to 30 tiles with combustion). For coastatl TR you start with 20 tiles you get another 10 tiles with compass, another 10t with refrigeration and 20 tiles more with a harbor.
-TR income is based in 3 things:
Resurce diversity, you get 0.5% income from each unique resource that each city have.
5% of maximun gold output of the city, which means that markets, banks, trading post nad merchant specialist increase the amount of gold you get.
If the start city is next to a river you get a 25% extra income.
-The science bonus that you recieve when trading with another civ is flat and not multiply by any buildings.
-TR can also help you to spread your religion to other cities. Keep in mind that this only works with cities that are over the 10 tiles range from natural spreading of your cities.
P.D: I hope you don't mind me sticking my nose over here guys.
-The range of land TR is 10 tiles (which gets extended to 15 with caravansary and to 30 tiles with combustion). For coastatl TR you start with 20 tiles you get another 10 tiles with compass, another 10t with refrigeration and 20 tiles more with a harbor.
-TR income is based in 3 things:
Resurce diversity, you get 0.5% income from each unique resource that each city have.
5% of maximun gold output of the city, which means that markets, banks, trading post nad merchant specialist increase the amount of gold you get.
If the start city is next to a river you get a 25% extra income.
-The science bonus that you recieve when trading with another civ is flat and not multiply by any buildings.
-TR can also help you to spread your religion to other cities. Keep in mind that this only works with cities that are over the 10 tiles range from natural spreading of your cities.
P.D: I hope you don't mind me sticking my nose over here guys.