If history holds, Great Freight will be with us again on Monday, March 11:
Send helicopters, trains, planes and ships
Lasts 3 days
There are prizes along the way to it is worthwhile
Top Prize $200 tcash
Points to receive prizes is based on your town level
There has been a general consensus on the Forum that it is brutal, but if you want to win 200 tcash and play non-stop for 3 days, consider using vibrant market to increase product (lasts 3 days), record demand for helicopters to arrive faster (lasts 1 day) train shortcut (lasts 1 day).
Then Mayor's Competition follows right behind
Send helicopters, trains, planes and ships
Lasts 3 days
Competition is against other towns
Prize for 1st place 50 tcash and 10 ingots
You will generally be able to tell how competitive the other town will be within the first day
Next set of Freight competitions should start 4 weeks later on April 8
Mine Time and Ruler of the Mine should start March 25, then April 22