CACrown ArchivesThe cinema collection
Menu
Research dossier · General Reference

Chao Phraya Express Boat

Thai transport service

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionApr 5, 2026
Entity authorityQ2270057
Source-derived summary

The Chao Phraya Express Boat (Thai: เรือด่วนเจ้าพระยา Ruea Duan Chao Phraya) is a transportation service in Thailand operating on the Chao Phraya River. It provides riverine express transportation between stops in the capital city of Bangkok and to Nonthaburi, the province immediately to the north. Established in 1971, the Chao Phraya Express Boat Company serves both local commuters and tourists. It also offers special tourist boats and a weekend river boat tours, as well as offering boats available for charter. Along with BTS Skytrain and Bangkok MRT, using the boats allows commuters to avoid traffic jams during the peak hours on weekdays.

The 21 km (13 mi) route is served by 65 boats and operates from 06:00–21:30 (last departure from CEN-Sathorn pier of a yellow flagged boat) on weekdays and from 06:00–18:40 on weekends and holidays. Current prices are from THB10 (Local line for distance within one zone) to THB32 (for green-yellow flag trip on its entire route from Pakkret to Sathon), depending on the type of boat and the distance travelled. The river boats carry an average of about 40,000 passengers per day.

Boats

Chao Phraya Express boats operates mainly two types of boats; all of them are built mainly out of wood.

Single-screw boat: ORANGE Yellow GreenYellow They are able to hold around 90-120 passengers at a time and are around 26–32 m (85–105 ft) long and about 2.7 m (8 ft 10 in) wide.

Editorial summary

The public source identifies “Chao Phraya Express Boat” as thai transport service. This brief keeps that definition visible, then builds a research path around Chao, Phraya and Express.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1971—that can be checked directly. The linked authority record independently contributes the date 1971. Its value is orientation rather than verdict, with Chao, Phraya and Express providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Chao Phraya Express Boat”, the useful work is to connect “thai transport service” to the records capable of establishing context and consequence.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Apr 5, 2026. The linked authority identifier is Q2270057. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1971.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Chao Phraya Express Boat”, its source revision and the description used here.
  2. Expand the search: follow Chao Phraya Express Boat primary sources, Chao Phraya Express Boat archive and Chao research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Chao Phraya Express Boat”?
  2. What terminology or title could unlock a more precise catalogue search?
  3. Which institution is responsible for the underlying evidence?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from Chao Phraya Express Boat” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.