As a pro in cyber security I have to say: an identity theft is real and that envelop will give to the bad guy everything he could dream of. So if you have such envelope in your glove box, please take it with you every time you leave the vehicle unattended in public!
That makes sense. Frankly, I always thought opposite: to start in OR near home, complete the toughest part first but be able to divert if case of a serious breakdown. Towing the rig back from the East would be much more expensive.