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BVE Sobu and Narita line / Kashima line Driving guide

Maximum speed by train type and section

The maximum speed of the train is determined not by the endless speed even though it is a straight section, but by the vehicle and the section.

For locomotive trains, it depends on the class of the train.

Signal

Departure signal/Entering signal/Block signal

It is called a main signal, and each traffic light has a section securing the safety of the train.
It also shows the permission to enter and leave the station and the way it goes in the turnout.

	Proceed "Shinko"	Slow down "Gensoku"	Caution "chuui"	Speed restriction "Keikai"	Stop "Teishi"
Chiba to Narita	No limit of signal.	75 km/h or less	55 km/h or less	25 km/h or less	Stop
Narita to Sawara, Kahima-Jingu		65 km/h or less	45 km/h or less	25 km/h or less
Locomotive		65 km/h or less	45 km/h or less	25 km/h or less

Relay signal

Relay signal is installed for the purpose of relaying the indication of the main signal and supplementing the confirmation distance when the distance at which the main signal (Departure signal/Entering signal/Block signal) can be confirmed is influenced by the influence of a curve.

	Relay proceed "Chukei-Shinko"	Relay limit "Chukei-Seigen"	Relay stop "Chukei-Teishi"
Next main signal	Proceed signal	Slow-down or Caution or Speed-restriction	Stop signal

Shunting signal

It is a signal for a train to shunting at the station.

	Proceed "Shinko"	Stop "Teishi"
Meaning of Signal indicate.	Proceed （45km/h or less）	Stop

Hazard warning indicator

It is a indicator used when you need to stop the train in an emergency.
If you confirm the flickering of the signal you must immediately stop the train.

	Normal	Emergency
Meaning of indicate.	It is a normal state.	Emergency situations such as railroad crossing trouble and falling rock detection are occurring on the tracks ahead. Immediately please stop the train.

Indication

Speed limit indicator

The speed limit indicator is installed in the section where it is necessary to reduce the speed from the maximum speed of the route because of the curve, turnout, rail condition etc.

	Speed limit indicator	Speed limit indicator with limit distance	Speed limit indicator for turnout	Speed limit indicator 2 starge
Explanation of indication	Numbers indicate speed limit. (Unit:km/h)	Numbers indicate speed limit. The lower number is the limit distance.	Numbers indicate speed limit for turnout Speed limit of Train turning in the direction of the black triangle. The limit is canceled when the trailing end of the train exceeds the turnout.	Numbers indicate speed limit. The number shown in the lower row is the speed limit for express trains.
Locomotive	Indicate Numbers	Indicate Numbers	Indicate Numbers	Indicate Numbers of up side
Series 113/115 EMU	Indicate Numbers	Indicate Numbers	Indicate Numbers	Indicate Numbers at of side
Series 209/211/E217 EMU	Indicate Numbers	Indicate Numbers	Indicate Numbers	Indicate Numbers of up side
Express train	Indicate Numbers	Indicate Numbers	Indicate Numbers	Indicate Numbers of lower side

	Speed limit indicator 2 starge(Green marker)	Speed limit indicator 2 starge(Orange marker)	Speed limit indicator for local train	Limit end indicator
Explanation of indication	Numbers indicate speed limit. The number shown in the lower row is the speed limit for express trains. If there is a green marker, the speed limit will be higher than the display of the Local train.	Numbers indicate speed limit. The number shown in the lower row is the speed limit for express trains. If there is a orange marker, the speed limit will be higher than the display of the Local train.	Limited speed for local trains with maximum speed exceeding 100 km/h. There is no speed limit for express trains.	It is installed at the position where the speed limit ends. The limit will be lifted when all the vehicles pass this position.
Locomotive	Indicate Numbers of up side	Indicate Numbers of up side	No limit	Limit end
Series 113/115 EMU	Indicate Numbers of up side +5km/h	Indicate Numbers of up side +5km/h	Indicate Numbers	Limit end
Series 209/211/e217 EMU	Indicate Numbers of up side +10km/h	Indicate Numbers of up side +5km/h	Indicate Numbers	Limit end
Express train	Indicate Numbers of lower side	Indicate Numbers of lower side	No limit	Limit End

Other indicater

It shows information on routes and positions, and instructions on driving.

	Route indicater	Horn ringing	Acceleration start	Acceleration End	Signal Call
Explanation of indication	It is attached as an auxiliary indication that shows the previous course when signal are shared by two or more directions. It shows that it is on the right side in the above figure.	It is installed in places where it is necessary to sound a horn to inform of the approach of the train.	Estimated to start acceleration	Estimated to end acceleration	Indicates that the station is approaching.

	Station approach	Boundary of substation segment	ATS change
Explanation of indication	Indicates that the station is approaching.。	Substation which supplies power to overhead wire will change with this display as the boundary. Because there is a possibility that the electric wire will cut due to the potential difference, you must not stop the train across this sign.	ATS changes from P type to S type from the position of the indicater.