I bought a phone mount one, it charges quite fast and it is so much easier to place my phone in the dock and have it charge. It does get quite warm but that’s easily remedied by pointing an AC vent to the back of the phone.

Honestly it sounds like you got a low wattage one and yes those do charge much slower.

You don’t really… You exit and follow the service road until you find a way to get across, usually by going under.

I hate driving in Texas because this kind of shit is everywhere. Middle of nowhere and want to get to the rest area ahead? Exit and follow the service road for a mile.