The changes were set out in a "road map" by parent company Ford

Nearly two-thirds of those balloted voted in favour of the plans, which were set out in a "road map" by US-owned parent company Ford.

Some of the conditions include video cameras being installed to monitor work and piped music or radios being banned.

Ford said the changes would safeguard the future of the Lode Lane site by making it more competitive.

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Other measures include "bell to bell" working, whereby workers will not be able to down their tools until their shift is over even if they have filled their quota.

The number of shop stewards will be cut from 120 to 85 and the company aims to cut absenteeism from 5% to 3%.

Of the 5,720 workers balloted 63% voted to accept the road map deal, with 37% opposed to the measures.

About 8,000 people work at the Solihull site in total.

A spokesman for Amicus, the second largest of the three unions at Land Rover, said: "We've agreed to our part of the deal, now it's time for Ford to announce the kind of long-term investment in the plant that we've been looking for."

Ford instructed Land Rover bosses and unions to come up with ways of improving the company's performance in May this year.

The US car giant, which bought Land Rover from BMW in 2000, was concerned the company was lagging behind its other operations in terms of competitiveness.