Selbstblock
| mit
| Formsignalen
| Selbstblock | |
| transp. | approach-lighted colour-light |
| Mit- | |
| econ. | associate; joint |
| Formsignal | |
| commun. transp. | mechanical signal |
| construct. | semaphore |
| railw. | semaphore signal |
| |||
| approach-lighted colour-light | |||
| automatic block | |||
|
Selbstblock : 7 phrases in 2 subjects |
| Rail transport | 1 |
| Transport | 6 |