Phone Calls and Voice Level on Trains

What kind of rule is this?

This is a venue/operator rule, not a national law. Individual train and subway operators set and publish this expectation themselves — there's no police-enforced statute against talking on a train.

What the rule says

Tokyo Metro, Toei Transportation, JR East, and most other major operators explicitly ask passengers to set phones to silent mode and avoid voice calls while riding, and to power phones off near priority seating when trains are crowded. This is published operator guidance, communicated through onboard signage and announcements.

What people often misunderstand

It's easy to assume this is a hard rule with an enforceable penalty, or conversely that it's 'just etiquette' with no real basis. Neither is fully right: it's a specific, explicit request from the company operating the train — real, but civil rather than legal, and there's no fine for breaking it.

What it means in practice

Keep your phone on silent and take calls off the train if you can, or step near the doors and speak briefly and quietly if you can't. General quiet conversation with a seatmate is closer to 'common etiquette' than an explicit operator rule — a normal indoor voice, not a phone call, is generally fine.

What varies by place

The 'phone off near priority seats' guidance is strictest during rush hour and on crowded trains; less-crowded off-peak trains are more relaxed in practice even though the posted rule doesn't change.

Safest response

Silence your phone before boarding. If a call is unavoidable, keep it very brief and speak quietly, or wait for the next stop.

If someone corrects you

If another passenger or staff gestures for you to lower your voice or end a call, treat it as a normal, low-stakes social correction — a quiet apology and ending the call is the expected response, not a serious offense.

Official sources

• Tokyo Metro — Things to Consider When Riding the Subway
• Toei Transportation — Passenger Conduct & Manners