![Crediton station, level crossing and signal box, Crediton, Devon. The signalman receives the token from the train driver from the Okehampton section Stock Photo - Alamy Crediton station, level crossing and signal box, Crediton, Devon. The signalman receives the token from the train driver from the Okehampton section Stock Photo - Alamy](https://c8.alamy.com/comp/2JFB303/crediton-station-level-crossing-and-signal-box-crediton-devon-the-signalman-receives-the-token-from-the-train-driver-from-the-okehampton-section-2JFB303.jpg)
Crediton station, level crossing and signal box, Crediton, Devon. The signalman receives the token from the train driver from the Okehampton section Stock Photo - Alamy
![Boxplots for all ∆ s values of several signal token types across the... | Download Scientific Diagram Boxplots for all ∆ s values of several signal token types across the... | Download Scientific Diagram](https://www.researchgate.net/publication/338476472/figure/fig4/AS:845270824808451@1578539677099/Boxplots-for-all-s-values-of-several-signal-token-types-across-the-test-corpus_Q640.jpg)
Boxplots for all ∆ s values of several signal token types across the... | Download Scientific Diagram
![Tyer's Electric Train Key-Token Instrument; machine for 'talking' between two signal boxes on the singletrack / single track railway line using a system of bell codes. Isle of Wight Steam Railway Museum. Tyer's Electric Train Key-Token Instrument; machine for 'talking' between two signal boxes on the singletrack / single track railway line using a system of bell codes. Isle of Wight Steam Railway Museum.](https://c8.alamy.com/zooms/6/8f7a59c8bcfb4aa9ad196afd61323464/r54xkf.jpg)
Tyer's Electric Train Key-Token Instrument; machine for 'talking' between two signal boxes on the singletrack / single track railway line using a system of bell codes. Isle of Wight Steam Railway Museum.
![OOTY, TAMIL NADU, INDIA, 20 March 2015 : Historic Railway Signal .In Railway Signalling, A Token Hoop OOTY, TAMIL NADU, INDIA, 20 March 2015 : Historic Railway Signal .In Railway Signalling, A Token Hoop](https://previews.123rf.com/images/yellowderevo/yellowderevo1711/yellowderevo171100080/89389091-ooty-tamil-nadu-india-20-march-2015-historic-railway-signal-in-railway-signalling-a-token-hoop-is-a-.jpg)
OOTY, TAMIL NADU, INDIA, 20 March 2015 : Historic Railway Signal .In Railway Signalling, A Token Hoop
![Token system at the signal box at Bridgnorth Railway Station on the Severn Valley Railway Stock Photo - Alamy Token system at the signal box at Bridgnorth Railway Station on the Severn Valley Railway Stock Photo - Alamy](https://c8.alamy.com/comp/AXR9PK/token-system-at-the-signal-box-at-bridgnorth-railway-station-on-the-AXR9PK.jpg)