You can now add routes when using the Traveller RPG Subsector Editor. Just follow the instructions. (This also works at the Cepheus Engine and Hostile subsector editors at the Cepheus Journal website.)
Cepheus Journal Issue #010 is here.
Have a look at this great review and flip through of the Cepheus Deluxe rule book. (Then subscribe to page121.)
The Mercenary Company Generator by Andy Bigwood is a few quick tables for generating a mercenary company.
Summary: Often players will encounter mercenary units, this document condenses portions of Mongoose Publishing’s excellent Traveller:Mercenary Book to provide very quick opponent generation. The reader is advised to buy the book for context of some concepts.
You can use the counter generators at the Zhodani Base to generate counters for you Mercenary Units.