Mister0124 · CC BY-SA 4.0 · cropped
The Uchibo Line’s southern section remains the missing link for a rail trip around Chiba’s Boso Peninsula after a heavy-rain landslide between Emi and Futomi. A Kamogawa City notice, checked September 12, says trains are suspended between Chikura and Awa-Kamogawa, with replacement buses operating from September 9 and no established estimate for rail service to resume.
For travelers heading toward Kamogawa from the western side of the peninsula, the practical change is a bus transfer rather than a continuous train journey through the affected section. The city warns that the replacement fleet has limited capacity, passengers may have to wait, and the road journey takes longer than the train it replaces.
- Suspended section: Chikura to Awa-Kamogawa on the Uchibo Line.
- Cause: Heavy-rain landslide between Emi and Futomi.
- Replacement transport: Buses from September 9, with limited vehicle and passenger capacity.
- Reopening: No established rail reopening estimate in the city’s notice.
- Trip consequence: Allow for a transfer, a possible boarding wait and a longer journey.
A Shorter Closure Than the Entire Uchibo Line
The suspension applies to the named southern section, not every station carrying the Uchibo Line name. That distinction matters when reading a booking search or a railway map: a train running elsewhere on the line is not proof that a traveler can remain aboard all the way to Awa-Kamogawa.
Local publication Kazusa Pocket reported September 9 that trains were operating through Kisarazu, Kimitsu and Futtsu toward Tateyama and Chikura, with a bus change needed to continue to Awa-Kamogawa. Those operating details should be checked again for the actual departure, rather than treating one part of the route’s recovery as an all-clear for the whole peninsula.
Bus Capacity Changes the Connection Calculation
The city’s warning is more specific than a routine instruction to allow extra time: both the number of buses and their passenger capacity are limited. A traveler can therefore reach the transfer station in time for an advertised departure yet still face a boarding wait if the replacement service is crowded.
That makes a close connection after the bus section a weaker plan than the same connection after a through train. For an onward journey with a fixed departure, compare the complete itinerary, including the road segment and the next available connection, before relying on the rail timetable’s original end-to-end arrival time.
Passengers arranging a hotel pickup in Kamogawa should tell the property that their arrival includes replacement transport from the Uchibo side. A pickup tied to the former train arrival may no longer align with the actual arrival, and the official notice does not supply a guaranteed amount of extra journey time.
No Fixed Reopening Date to Build a Trip Around
Kazusa Pocket describes an interruption expected to last about two weeks from September 9, but the city’s notice says a reopening estimate has not been established, pending assessment of conditions on site. The stronger planning position is therefore to keep the bus transfer in an upcoming itinerary until the railway confirms a specific restoration date.
That is not a forecast that the closure will necessarily last longer than two weeks. It is a distinction between a reported estimate and an announced operating commitment, especially important for travelers deciding whether to retain accommodation or move a peninsula excursion to another day.
Check the Southern Segment, Not Just the Destination
JR East’s Kanto service-information page is the appropriate operator check for a later update, alongside the city’s replacement-bus notice. Its English information service has stated reporting hours and does not update automatically, so an empty overnight display should not be read as confirmation that the landslide restriction has ended.
For a trip approaching Kamogawa from another direction, check that route independently instead of assuming the Uchibo suspension applies to it. Equally, do not assume an alternative train is a practical substitute without comparing its departure station, full travel time and connection with the rest of the day’s plans.
| Your itinerary | What changes |
|---|---|
| Chikura to Awa-Kamogawa | Plan for replacement buses, not a through train. |
| Onward timed connection | Account for bus capacity and a longer road journey. |
| Kamogawa hotel pickup | Reconfirm the arrival arrangement after checking replacement transport. |
| Trip later in September | Wait for a confirmed rail reopening date before removing the bus transfer. |
The September 9 replacement arrangement is the current planning baseline. Travelers crossing the suspended southern section should build the transfer into their route, rather than relying on the uninterrupted train journey shown on an older itinerary.
A confirmed reopening announcement is the next decision point. Until that appears, preserve enough flexibility for the road connection and verify the day’s operating information before committing to a tightly timed onward journey.
Which Uchibo Line stations are affected?
The suspension runs between Chikura and Awa-Kamogawa. The city identifies the landslide location as the section between Emi and Futomi.
Are replacement buses available?
Yes, the city says buses operate between Chikura and Awa-Kamogawa from September 9. Capacity is limited, and the journey takes longer than the train.
Is there a confirmed reopening date?
Not in the city’s notice checked September 12. Its wording says an estimate has not yet been established, so a reported two-week timeframe should not be treated as a guaranteed resumption date.
Does this mean every Uchibo train is canceled?
No. The official notice names the southern Chikura to Awa-Kamogawa section; travelers should check their specific train and any connecting bus rather than assuming the entire line is closed.












