The A548 isn't one of the best roads to ride. It's fairly busy with traffic speeds of 40 to 60 mph mainly. It's also pretty featureless and I find it boring to ride, never mind drive down it. The back roads are lumpy to say the least but as Matthews job is about 10 miles away, then its not too far. The back lanes are also lovely to cycle down, going through a number of picturesque villages. Some cracking views as well. Thing is it will take a bit longer to cycle there, but it will be a better work out. Big lights will be needed when the dark nights set in, and care with ice in the middle of winter will be needed down the back roads.