This is an example of electric signals in Indonesian railways. Red means stops, yellow means permitted to drive a train under 40 km/h, & green means permitted to drive a train with permitted speed.

Taken in Surabaya Gubeng Railway Station, Surabaya.

This is an example of electric signals in Indonesian railways. Red means stops, yellow means permitted to drive a train under 40 km/h, & green means permitted to drive a train with permitted speed. Taken in Surabaya Gubeng Railway Station, Surabaya.

Photo by mf_cc206_photography

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Stock photo: This is an example of electric signals in Indonesian railways. Red means stops, yellow means permitted to drive a train under 40 km/h, & green means permitted to drive a train with permitted speed. Taken in Surabaya Gubeng Railway Station, Surabaya. was taken by mf_cc206_photography .