Planning A Route

I am going to plan a route from my house to Tottenham Court Road in London. The first route planned is by car and the second route planned is by train.

Car
If I was to go by car then I would have to taker into account the costs such as autogas and congestion charges. Also I will be taking down a record of how long it will take and the source of where I planned the route. If I fill my gas tank up it will cost £35.25 and the congestion charge will be £10. So for the whole journey will cost just under £50. But the full tank of autogas will also get me from my house to tottenham road in london and back without stopping for gas. This is because my car can do 440miles on a full tank of gas and the journey there is almost 58miles. This journey should take me 1 hour and 29 minutes assuming the roads are clear and you abide by the speed limits. The route follows:
1 - I will follow the A4280 east until it meets the A6 when I will travel south along the A6.
2 - Then when I come to a junction that meets the A421 I will take that travelling southbound.
3 - I will then turn onto the M1 travelling southbound, until I get to the end of the M1 and I will take the exit heading onto the A406.
4 - Then take the A41 southbound and then at the end of that, turn onto the A501 then get off at the exit at the A400. Where I will need to pay congestion charges.
5 - Travelling south on the A400, I will eventually get to the end where I will turn right onto the first A40 turning.
6 - This will then lead me to a third turning on the right which will be the turning onto Tottenham Court Road. This journey should take me 1 hour and 29 minutes assuming the roads are clear and you abide by the speed limits.
http://www.theaa.com/route-planner/index.jsp#fromNode=18260040031663%7CMK40%203EB,%20Bedford%7CSTREET%7C506319%7C250256%7CtoNode=18260063383877%7CTottenham%20Court%20Road%20Underground%20Station,%20London%7CSTREET%7C529825%7C181374

Train
Contrasting this journey is if I take a train to Tottenham Court Road in London. The whole train journey will cost £26 for a train ticket there and a rail card of unlimited use on off-peak times. This journey will take in total 1 hour and 40 minutes assuming that there are no delays, this includes all the train stops and journeys.
1 - I will need to go to the Bedford St Johns station, it would take 6 mintues to get to another station in bedford.
2 - Then I will need to get off and get onto another train that goes to Farringdon this will take the longest part of my journey at 1 hour 5 minutes.
3 - I will then need to get off and get onto another train at the underground station in Farringdon. This next journey will take me to Tottenham Court Road underground station with the last journey lasting 20 minutes.
 http://ojp.nationalrail.co.uk/service/timesandfares/BSJ/Tottenham_Court_Road/tomorrow/1030/dep

The sources I have used have given me accurate routes and directions for getting from Bedford to Tottenham Court Road. But the real time information was not very accurate and it didnt give me much real time information. Most of the time it was based on the assumption that there would be cirtain circumstances (eg. assuming there is no traffic/assuming there is no delays)