"This is a safety issue, people are going to be killed on the roads," said Fen End resident and FPAG member Sue Audhali.
"We already have so many accidents around here. I don't let my children out on their own during rush hour. I already complained about their workers not driving safely," added the moth-er-of-three.
Prodrive's Corporate PR manager, Ben Sayer, said: "Traffic will increase, we haven't tried to hide that fact because with more jobs, there will be more people on the site. We cannot dictate which route people take to and from work.
"However we have logged the traffic concerns and are talking to the highways authority as part of the planning process."