There are several transport options available in the UK. Within cities, bus and rail (some underground) options are available. Intercity rail and coach networks allow long distance travel with the country.
One service would be the AA route planner. You could also use travel agencies to plan a route to the UK.
Use your UK passport for easier entry. Am surprised you have dual citizenship though the US didn't allow it.
No
Sky Travel Co UK has many different travel deals, from hotels to car rentals as well as helping to find cheap flights. Sky Travel Co UK would be an ideal business to use for all UK and Europe travel needs.
One can book AAA travel insurance in UK. There are many ways that one could book AAA travel insurance. One way is to go to a local AAA travel insurance agency in the United Kingdom.
Yes, UK citizens can travel to the US with a valid passport and may also need to obtain a visa or an ESTA (Electronic System for Travel Authorization) depending on the purpose of their visit.
"Routeplanner UK is a map system for use in the UK that maps your driving route from one point to the other with details for all the roads, turns, and even restaurants along the way. It is not the best choice for travel outside the UK though because although it may show main roads it does not have the detailed information for the new destinations."
There are many great places one could visit to obtain travel health insurance in the UK. One looking for travel health insurance in the UK could visit Bupa on the web. Another place on the web that one should consider looking at is Aviva.
You can use your Greek ID card to travel from Greece to any of the eurozone countries.
Yes, Americans can travel to the UK.
Yes, you can travel from the UK to France.
You can use South African Airways or British Airways.