Keyword: Labour reforms
Truck drivers fear changes will affect small firms that make up 75-80% of profession by creating 'unfair competition' and reducing job security.
Right-wing papers hail Macron's flagship reforms as major advance while publications on the Left say plans will drag France back 30 years.
The measures to be revealed on Thursday will be a big test for his Macron's presidency, which faces mass protests in September.
New French president blasted critics of his plan to overhaul labour law a day after predecessor suggested the reform includes 'useless sacrifices'.
The street protests, led by trades unions and often marred by violence by hooded youths, attracted tens of thousands in Paris and other major cities.
A conservative opposition-tabled no-confidence motion, prompted by the forced passage of labour reforms through the lower house, failed by 42 votes.
New test of strength for President Hollande as protesters challenge plans to change labour laws in way that unions say favours businesses.
Amid reform retreat, ministers have fought hard to keep measures that affect big companies - while sacrificing those affecting smaller firms.