The theory section is all the theory required to pass your drivers license. Its important to combine theory with practical driving practise.

(B2-1) Obligation to stop

The sign indicates that drivers are obliged to stop before entering the intersecting road, thoroughfare or track area and that the provisions of Chapter 3, Section 18 of the Road Traffic Ordinance (1998:1276) apply. If all approaching roads at a junction have an obligation to stop, this is indicated with additional panel T14, all-roads stop.