Ok, cool. Some more questions now arise.
1/ The port is supplying Rubber, but that cargo is only used to make Tires, and Tires are only used to make Automobiles and late era Weapons.
Your scenario ends in 1885, so no Automobiles, and no requirement for Tires to make Weapons. So, why have Rubber supplied?
2/ Why do the ports demand Machinery? What do you get as a reward for shipping it there?
Given that there seems to be limited Coal and Iron and Ore available, there's probably more cash in just making Goods and shipping those anywhere. Goods is demanded by all houses on the map, so is always a reliable source of easy income. Particularly since before 1875 you don't even need Steel to make Goods, and can haul Iron straight to your Tool and Die. Machinery is more difficult to produce, so it's often not worth the trouble unless there is some specific incentive.
Even if people do produce it there is no real incentive to ship it to the ports because, like Goods, it is demanded by all houses on the map, so it makes more sense to just haul it anywhere that has a decent price differential. If you want to encourage people to produce Machinery, and ship it to the ports, it's probably a good idea to require it as part of some sort of goal.
3/ The map seems to seed with a lot of Textile Mills, but not much Wool. This means you won't really be able to run a mill of your own (too much fighting over Wool). Maybe reinstate the extra cotton supply from the ports.
Edit: 4/ You have the Electronics Plant enabled for four cities, but it has no use in this scenario's timeframe. Ditto for the Auto Plant.
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Something you may not be aware of: with the ability to start multiple companies, this map encourages a robber baron start. For example, you can easily trash a few companies and then start playing with $3 million in company cash. You can then create another company and start that at the other end of the map, so you have two lots of widely separated track that you can build from. Merge the second company back into your first, and off you go. Lots of company cash, excellent credit rating, and the ability to build from both ends of the map.
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Not a fault with this map, but once again I'm reminded of how buggy 1.06 is. Those quarries always produce Crystals, but on the vast majority of maps Crystals are a completely useless cargo, so they just sit around and clutter up the interface for no benefit.
It's probably worth making a custom .bca file for quarries, so that on most maps they simply don't produce Crystals and people don't have to worry about them. And don't get me started on that !!&@% Furnace. I can tell that if I play this scenario through I'll be wanting to customise the 1.06 industry chain again.
