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Vietnam Travel Time Atlas 2026: How New Expressways Reshaped Inter-City Travel Times

Sourced atlas of 2026 inter-city travel times in Vietnam after the North-South Expressway build-out — every major route, before vs after, with the high-speed-rail outlook to 2035.

By Joy Nguyen
Vietnam's North-South Railway curving along the Hai Van coastline — the central reference axis of the country's travel-time grid
Vietnam's North-South Railway curving along the Hai Van coastline — the central reference axis of the country's travel-time grid

This is an independent, sourced atlas of how Vietnamese inter-city travel times look in 2026 after fifteen years of expressway build-out. It exists because the cost-of-Vietnam-travel content online is mostly based on pre-2018 driving times — accurate for the day the article was written, hopelessly out of date now that Vietnam has opened 1,652 km of expressway since 2010 and closed the last northern gap to Da Nang on August 19, 2025.

Hanoi to Ninh Binh used to be three hours on QL1A. Today it's 90 minutes via the Cau Gie–Ninh Binh and Mai Son–QL45 expressways. HCMC to Mui Ne used to be five hours; the Phan Thiet–Dau Giay expressway (April 2023) cut it to 2.5. HCMC to Nha Trang used to be a 9-10 hour overnight bus haul; five continuous expressway segments since April 2024 dropped it to 5.5 hours by private car. The pattern is country-wide, the data is sourced, and the implication for trip planning is significant.

This atlas is the reference any travel writer, journalist, or planner can cite. Every figure traces to a named source. Updated annually each spring.

Methodology

Travel times reported here are 2026 observations cross-referenced across three layers of sourcing:

  1. Primary infrastructure data. Expressway opening dates, lengths, corridors, and budgets come from the Vietnam Ministry of Construction (formerly Ministry of Transport) inauguration announcements, Vietnam.vn government portal, VietnamPlus / Vietnam News Agency, SGGP English Edition, Saigon Times, and VnExpress International. Where the technical opening date and the formal/inauguration date differ, we report the formal opening (e.g., Bung–Van Ninh technical opening was April 19, 2025; formal opening April 28, 2025).

  2. Operator-side driving times. Tour-operator and transfer-company time quotes from Indochina Voyages, Vinpearl, BestPrice Travel, A21Tours, Ha Long Bay Lux Cruises, and Asian Trails. These reflect what travelers actually experience in private cars and limousine vans — including realistic traffic at city entry/exit points.

  3. Cross-references. Wikipedia (for older 2010-2020 segment dates), ADB project closeout reports, and Rome2Rio / 12Go for operator-published schedules.

For each route, we report a range rather than a single point — Vietnamese traffic at the Hanoi and HCMC city entries adds 30-60 minutes to nominal expressway times, and weekend / Tet uplift is real. The midpoint is what most travelers will experience midweek midday.

Important caveat — the times in this atlas are private-car / limousine-van figures. Sleeper-bus times on the same expressway run 30-60% longer than private-car times because of (a) multi-stop passenger pickups, (b) stricter speed-limit discipline (Vietnamese passenger-bus operators run 80-90 km/h on 120 km/h expressways), and (c) mandatory rest stops. So Hanoi-Ninh Binh by private car is 1h 25m–1h 45m but by sleeper bus is still ~2-3 hours; HCMC-Mui Ne by car is 2h 30m–3h but by sleeper bus is still 4-5 hours; HCMC-Nha Trang by car is 5h 30m–6h but by overnight sleeper bus is 8-9 hours. Both modes have come down from their pre-2023 baselines, but the bus delta is roughly half the car delta. When citing this atlas for a specific traveler use case, match the mode to the figure.

Detailed per-segment source notes live in /docs/research/vietnam-travel-time-atlas-sources.md in this site's repository.

The expressway build-out — fifteen years in tables

Vietnam's expressway network is built around the North-South Expressway East (Cao Bang to Ca Mau, 2,063 km planned), supplemented by major east-west connectors (Hanoi-Hai Phong, Hanoi-Lao Cai). The build-out has accelerated dramatically since 2022. As of mid-2025, 1,652 km of the planned 2,063 km were open to traffic; the final central-south gaps are closing through Q2 2026.

Northern segments (Hanoi and the gateway corridors)

SegmentOpenedLengthTravel-time impact
HCMC – Trung Luong (CT01 south)Feb 201061.9 kmFirst southern expressway; HCMC-My Tho 2h → 45m
Cau Gie – Ninh Binh (CT01)Jun 201250 kmHanoi-Ninh Binh 2.5-3h → under 1.5h
Noi Bai – Lao Cai (CT05)Sep 2014245 kmHanoi-Sapa 8-9h → 5-6h
HCMC – Long Thanh – Dau Giay (CT01)Feb 201555.7 kmBackbone for southeast expressway network
Hanoi – Hai Phong (CT04)Dec 2015105.5 kmHanoi-Hai Phong 2.5h → 1h 45m; design speed 120 km/h
Ha Long – Hai PhongSep 201825.2 kmHanoi-Ha Long 3.5h → 1.5-2h (with Hanoi-Hai Phong)
Trung Luong – My ThuanApr 202251 kmReduced HCMC-My Thuan drive substantially
Cam Lo – La SonDec 202298.4 kmCut Quang Tri-Hue drive; 4-lane expansion launched Dec 2025

The 2023 acceleration

April-May 2023 was the single biggest month for Vietnamese expressway openings on record. Four major segments opened within five weeks:

SegmentOpenedLengthTravel-time impact
Mai Son – QL45Apr 29 202363.4 kmHanoi-Thanh Hoa drive under 3h; extends Cau Gie–Ninh Binh southward
Phan Thiet – Dau GiayApr 29 202399 kmHCMC-Mui Ne 5h → 2-2.5h
Nha Trang – Cam LamMay 19 202349 kmKhanh Hoa province; three months ahead of schedule
Vinh Hao – Phan ThietMay 19 2023100.8 kmConnected Phan Thiet north toward Cam Lam
QL45 – Nghi SonSep 202343.3 kmConnected Mai Son toward Nghe An
Nghi Son – Dien ChauSep 202350 kmWith QL45-Nghi Son: Hanoi-Vinh ~3.5h
My Thuan – Can ThoDec 202323 kmContinuous HCMC-Can Tho expressway in ~2h

2024-2025 — closing the central gap

SegmentOpenedLengthTravel-time impact
Cam Lam – Vinh HaoApr 26 202479 kmClosed final central-south gap; HCMC-Nha Trang ~5h
Dien Chau – Bai VotJun 30 202449.3 kmContinuous expressway Hanoi to Ha Tinh
HCMC Metro Line 1Dec 22 202419.7 kmFirst HCMC metro after 12 years of construction
Van Phong – Nha Trang (partial)Apr 19 202570+ km of 83.4Khanh Hoa; three months early
Bai Vot – Ham NghiApr 28 202535.3 kmExtended N-S through Ha Tinh
Ham Nghi – Vung AngApr 28 202554 kmContinuous expressway through Ha Tinh
Bung – Van NinhApr 28 202548.8 kmQuang Binh; technical opening Apr 19
Van Ninh – Cam LoAug 19 202565.5 kmClosed last northern gap; continuous Hanoi-Da Nang expressway
Hoa Lien – Tuy LoanAug 19 202511.5 kmFinal southern link; Hanoi-Da Nang corridor complete
Vung Ang – BungSep 202555.3 kmClosed Ha Tinh-Quang Binh stretch
Can Tho – Hau Giang – Ca MauDec 22 2025 to Jan 19 2026110.9 kmCompleted Mekong south spine
Long Thanh International AirportDec 19 2025 inaugurated25M pax/yr Phase 1; commercial flights Jun 2026

2026 openings (current and pending)

SegmentOpened/expectedLengthTravel-time impact
Van Phong – Nha Trang (final)Jan 1 202613 km balance + Co Ma tunnelKhanh Hoa complete
Hoai Nhon – Quy NhonFeb 12 202670.1 kmBinh Dinh; VND 12.4T; Son Hai 10-year warranty
Quang Ngai – Hoai NhonFeb 12 2026 partial; mid-Apr full88 kmVND 20.4T; 3 tunnels (3.2 km longest); 77 bridges
Quy Nhon – Chi ThanhApr 2026 expected61.7 kmIncludes 5.1 km Cu Mong tunnel
Chi Thanh – Van PhongApr 2026 expected48.1 kmMultiple schedule slips; date unconfirmed
Bien Hoa – Vung Tau partialApr 2026 expected18 of 53.7 kmHCMC-Vung Tau 2h → 70-75m
Ben Luc – Long Thanh fullJul 2026 expectedPhuoc Khanh BridgeLong Thanh Airport access from Mekong corridor

Source: Vietnam Ministry of Construction; Vietnam.vn government portal; SGGP English Edition; VnExpress; VietnamPlus.

Travel times from Hanoi

For Vietnam's northern hub, the expressway impact is most visible on the Ninh Binh, Ha Long, and Sapa corridors. Mai Chau remains slow because no expressway has been built on its corridor.

Route2026 drivePre-expresswayTrain alternativeNotes
Hanoi → Ninh Binh (Tam Coc)1h 25m – 1h 45m2h 30m – 3h90 min Hanoi-Ninh Binh station, ~$4Limousine van $10-12; day-trip viable
Hanoi → Ha Long Bay (Bai Chay / Tuan Chau)2h 15m – 2h 30m3h 30m – 4hNone (rail doesn't serve Ha Long)Most cruises now include the shuttle
Hanoi → Sapa5h – 6h8h – 10hOvernight train Hanoi-Lao Cai 8h + 1h shuttleTrain remains the romantic standard
Hanoi → Mai Chau3h – 4h3.5h – 4.5h (similar)NoneNo expressway built on QL6 corridor
Hanoi → Hai Phong1h 45m – 2h2h 30m – 3h2.5h by railHanoi-Hai Phong Expressway 120 km/h design
Hanoi → Cat Ba Island3h – 3h 30m door-to-door5h+None (ferry required)Includes Cat Hai-Phu Long ferry/speedboat
Hanoi → Hue9h – 10h14h – 16hOvernight train 13-15h soft sleeperDrive impractical; train or flight standard
Hanoi → Da Nang10h – 12h16h – 18hOvernight train 15-16hContinuous expressway since Aug 19 2025
Hanoi → HCMC (road)26h – 30h non-stop35h+Reunification Express 30-35hTheoretical; almost no one drives

Travel times in central Vietnam

Central Vietnam's expressway story is the Hai Van Tunnel (June 2005, 6.28 km — longest road tunnel in Southeast Asia) plus the La Son–Hoa Lien–Tuy Loan corridor that closed in stages 2022-2025. Da Nang to Hoi An is unchanged because the corridor is too short for expressway impact.

Route2026 drivePre-expresswayNotes
Hue → Da Nang2h via Hai Van Tunnel; 3h+ via pass2.5-3h pre-tunnelHai Van Tunnel (Jun 2005); also La Son-Hoa Lien expressway
Hue → Hoi An2h 30m – 3h3h – 4hVia Da Nang; Hai Van Tunnel + La Son corridor
Da Nang → Hoi An45m – 50m45m – 1hUnchanged; short urban corridor on Vo Nguyen Giap boulevard
Da Nang → Phong Nha5h – 6h6h – 7hHoa Lien-Tuy Loan + Van Ninh-Cam Lo + Bung-Van Ninh (all 2025)
Da Nang → Quy Nhon4h – 5h6h – 7hDrops to ~3.5h once Quang Ngai-Hoai Nhon fully opens Apr 2026

Travel times from HCMC

HCMC's expressway impact has been the most dramatic of any Vietnamese metro region. Five connected expressway segments now reach Nha Trang; Mui Ne dropped to a 2.5-hour drive; Can Tho is 2.5-3 hours on continuous expressway.

Route2026 drivePre-expresswayNotes
HCMC → Mui Ne / Phan Thiet2h 30m – 3h5h – 6hPhan Thiet-Dau Giay (Apr 2023) the headline cut
HCMC → Vung Tau1h 15m – 1h 45m2h – 2h 30mHCMC-Long Thanh-Dau Giay + Bien Hoa-Vung Tau partial (Apr 2026)
HCMC → My Tho (Mekong)1h 15m – 1h 45m~2hHCMC-Trung Luong (Feb 2010)
HCMC → Can Tho2h 30m – 3h continuous expressway4h – 5hTrung Luong + My Thuan + My Thuan-Can Tho + Can Tho Bridge
HCMC → Da Lat6h – 7h7h – 8hTan Phu-Bao Loc-Lien Khuong expressway under construction
HCMC → Nha Trang5h 30m – 6h9h – 10hFive continuous expressway segments since Apr 2024
Nha Trang → Da Lat3h via QL27C; 4h via QL27B3h – 4hNha Trang-Da Lat Expressway construction starts 2026

Day trips that became feasible

The new expressways changed not just the travel times but the trip-planning math. Several destinations that were previously overnight-only have become genuine day trips from the major hubs:

Ninh Binh from Hanoi is now a comfortable day trip — depart 7am, on-site by 9am, two boat rides plus Mua Cave plus lunch, back in Hanoi by 7pm. Pre-2012 the 3-hour each-way drive made this borderline; pre-2018 the early Cau Gie–Ninh Binh expressway only got you to the highway exit. Today's Mai Son–QL45 extension delivers you to Tam Coc in 90 minutes.

Mui Ne / Phan Thiet from HCMC is now a one-way day trip rather than a two-night minimum. Depart HCMC 7am, on the Mui Ne sand dunes by 10am, fishing village walk, lunch at Bo Ke seafood, return by 7pm. Pre-2023 the 5-hour drive made this a sleep-over-or-skip choice; the Phan Thiet–Dau Giay expressway changed the calculus completely.

Vung Tau from HCMC is now a half-day option. With the Bien Hoa-Vung Tau partial expressway opening Q2 2026, the drive should drop to 70-75 minutes — beach for the day, back in District 1 for dinner.

Ha Long Bay from Hanoi is now a day-trip alternative to the overnight cruise. The 2.5-hour drive enables a Tuan Chau-departing day cruise that returns to Hanoi by 7pm. The overnight cruise remains the better experience product, but the day trip is now a viable choice for time-constrained travelers.

HCMC to Mekong towns for a day trip is now reasonable as far as Can Tho (2.5-3 hours each way). Pre-2010 it was a HCMC-Trung Luong slog; today it's continuous expressway. My Tho is now a sub-2-hour drive — half-day-trip feasible.

Da Nang to Phong Nha caves dropped from 7 hours to 5-6 hours with the 2025 Quang Binh expressway openings. Still an overnight minimum, but the new times open new itinerary options (Da Nang-Phong Nha-Hue circuit becomes a 5-day rather than 7-day trip).

Ninh Binh extension stays. With Mai Son–QL45 opening southward through Thanh Hoa, the question is whether to add a side trip into Pu Luong Nature Reserve. The 2026 drive Hanoi-Pu Luong is ~3.5 hours; it's now realistic as a 2-night extension on the Ninh Binh visit rather than its own dedicated trip.

What's coming — high-speed rail and the 2030s

The current expressway build-out is the second of three transport-infrastructure waves shaping Vietnamese travel. The third is now committed and dated.

North-South High-Speed Rail

Approved November 30, 2024 (National Assembly Resolution 172/2024/QH15). Construction launched December 19, 2025 at a national symbolic ceremony. Full operation targeted 2035.

MetricValue
Total length1,541 km
Northern terminusNgoc Hoi Station, Hanoi
Southern terminusThu Thiem Station, HCMC
Design speed350 km/h
Track gauge1,435 mm (international standard)
Stations (passenger)23
Stations (freight)5
Provinces served20
BudgetUS$67.34B (~VND 1,713 trillion)
Hanoi-HCMC target5h 20m nonstop
Phase 1 (2030-2032)Hanoi-Vinh and Nha Trang-HCMC sections
Full line2035
Dual usePassenger primary + freight + defense/security provisions

The current Reunification Express journey is 30 hours on French-era metre-gauge track at ~50 km/h average. The bullet train at 350 km/h would deliver Hanoi to HCMC in 5h 20m — competitive with domestic flights once you account for airport-to-city transit on both ends. Vietnam Airlines, VietJet, and Bamboo Airways have publicly stated they're planning capacity around the eventual modal shift.

Sources: National Assembly Resolution 172/2024/QH15 (English translation via luatvietnam.vn); Vietnam-Briefing; South China Morning Post; VnExpress International; Reuters.

Remaining expressway segments

Through Q2 2026, the central-south Phu Yen / Khanh Hoa segments (Quy Nhon-Chi Thanh, Chi Thanh-Van Phong) are expected to close the final North-South Expressway East gap, delivering a continuous expressway from Hanoi to HCMC. Two other major projects are committed:

  • Bien Hoa – Vung Tau Expressway full opening — partial 18 km section April 2026; full 53.7 km by 2027.
  • Ben Luc – Long Thanh Expressway full opening — Phuoc Khanh Bridge ~July 2026; ADB-financed; key for Long Thanh Airport access from the Mekong corridor.
  • Tan Phu – Bao Loc – Lien Khuong Expressway — under construction, will reduce HCMC-Da Lat from 6-7h toward 4-5h on completion (no firm date).
  • Nha Trang – Da Lat Expressway — construction starts 2026, ~80 km, VND 25 trillion, targets 2-hour drive on completion.

Airports and metros

Long Thanh International Airport (Dong Nai, 40 km east of HCMC). Inaugurated December 19, 2025; first commercial flights targeted June 2026. Phase 1 = one 4,000-metre runway (completed April 2025) and one terminal designed for 25 million passengers/year and 1.2 million tons of cargo/year. Will progressively absorb long-haul international flights from Tan Son Nhat.

HCMC Metro Line 1 (Ben Thanh – Suoi Tien). Opened December 22, 2024 after 12 years of construction. 19.7 km, 14 stations (3 underground + 11 elevated). Trains 5am-10pm at 4.5-10 minute intervals.

Hanoi Metro Line 3 (Nhon – Hanoi Station). Elevated section (8.5 km / 8 stations) opened commercially August 8, 2024. Underground extension (4 km / 4 stations to Hanoi Station) under construction with tunnel boring underway.

Noi Bai Terminal 2 expansion (Hanoi airport) targets 15M passengers/year by end of 2026. T3 is part of the master plan for 50M passengers/year by 2030.

Limitations and honest caveats

  • Pre-expressway historical drive times are estimates from operator publications, not primary reporting. Operator quotes from 2018-2022 were the cleanest source for "before" figures.
  • Hanoi-HCMC end-to-end road time should be treated as theoretical. Almost no travelers drive the full 1,700 km. The Reunification Express train (30-35 hours) and domestic flights (2h 15m) are the realistic modes.
  • Traffic at Hanoi and HCMC city entries can add 30-60 minutes. The expressway figures here assume midweek midday entry/exit. Tet, summer weekends, and rush hour all extend the times.
  • Quy Nhon-Chi Thanh and Chi Thanh-Van Phong opening dates were still in flux as of early 2026. Multiple schedule slips have occurred; we report the expected April 2026 opening but the final figure will be locked in the May 2027 update.
  • HSR cost has been quoted variously as US$67.34B and US$67.6B depending on source and conversion date. We use the lower figure (SCMP / VnExpress consensus).
  • The Hanoi-Ha Long-Van Don-Mong Cai corridor consists of three separate sub-projects. This atlas reports the original 25.2 km Ha Long-Hai Phong segment; the Van Don-Mong Cai sections opened separately.
  • High-speed rail target dates carry execution risk. The HCMC Metro Line 1 took 12 years from groundbreaking (2012) to opening (Dec 2024) against an original 2018 target. Vietnamese megaprojects routinely slip; treat the 2035 HSR target as the optimistic case and 2037-2040 as the realistic case.
  • Travel time figures are point-in-time observations. Expressway tolling changes (some segments transitioned from free pilot to paid operation in 2024-2025), surface deterioration on older segments, and seasonal repair closures all affect realized journey times. We refresh annually each spring against current observations.

Annual update commitment

This page is fully refreshed each spring (April-May) as new North-South Expressway segments open. Each refresh:

  1. Adds the previous year's expressway openings to the timeline tables.
  2. Updates the per-route 2026 driving times against current operator quotes.
  3. Updates the high-speed rail and Long Thanh Airport progress reports.
  4. Maintains the URL stable (/guides/vietnam-travel-time-atlas-2026/) so external citations from 2026 continue to resolve.

The 2027 version will live at /guides/vietnam-travel-time-atlas-2027/ with the 2026 baseline preserved here for historical reference.

Revision history:

DateChanges
2026-05-15Initial publication. Baseline data for the 2026 cycle, current to mid-May 2026 (covers all expressway openings through Hoai Nhon-Quy Nhon Feb 12 2026).

How to cite this

Suggested citation format for journalists, researchers, and travel publications:

Nguyen, J. (2026). Vietnam Travel Time Atlas 2026: How New Expressways Reshaped Inter-City Travel Times. Day Trips Vietnam. Retrieved from https://daytripsvietnam.com/guides/vietnam-travel-time-atlas-2026/

For specific figures, citation should reference the relevant section heading and the publication date — e.g., "Day Trips Vietnam's 2026 Travel Time Atlas puts the post-expressway Hanoi-to-Ninh Binh drive at 1h 25m to 1h 45m, down from 2h 30m to 3h pre-2012 (May 2026)."

The data here is published under Creative Commons BY 4.0 — quote freely with attribution and a working link. For editorial enquiries: info@daytripsvietnam.com.

The figures here are grounded in our broader transport corpus:

Questions, corrections, or republication enquiries: info@daytripsvietnam.com.

Frequently asked questions

Why have Vietnam travel times changed so much since 2018?

Vietnam has opened 1,652 km of expressway through mid-2025 — most of it on the North-South Expressway East corridor (Cao Bang to Ca Mau). Key cuts: Cau Gie–Ninh Binh (2012) + Mai Son–QL45 (Apr 2023) collapsed Hanoi-Ninh Binh from 3 hours to 90 minutes. Hanoi-Hai Phong (2015) + Ha Long-Hai Phong (2018) cut Hanoi-Ha Long from 4 hours to 2.5. Phan Thiet-Dau Giay (Apr 2023) cut HCMC-Mui Ne from 5 hours to 2.5. The continuous Hanoi-Da Nang expressway corridor opened August 19, 2025 with the Van Ninh-Cam Lo and Hoa Lien-Tuy Loan segments. Source: Vietnam Ministry of Construction; Vietnam News; VnExpress.

How long is Hanoi to Ninh Binh in 2026?

About 90 minutes by private car or limousine van via the Cau Gie–Ninh Binh and Mai Son–QL45 expressways (95 km, design speed 120 km/h). The train from Hanoi to Ninh Binh station is 90 minutes for ~100,000 VND ($4). The pre-2012 drive on QL1A took 2.5-3 hours. Any guide saying "3 hours from Hanoi" predates the 2012 Cau Gie–Ninh Binh expressway opening.

How long is Hanoi to Da Nang by car in 2026?

10-12 hours non-stop by car since the continuous expressway opened August 19, 2025 (Van Ninh-Cam Lo and Hoa Lien-Tuy Loan segments closed the last northern gap). Pre-expressway QL1A took 16-18 hours. Almost no one drives the full distance; the overnight Reunification Express soft sleeper (15-16 hours, $50-70) or a 1h 20m flight are the standard modes. Source: Vietnam.vn ("Expressway from Hanoi to Da Nang opens August 19").

When will Vietnam's high-speed rail open?

Target 2035 for the full Hanoi-HCMC line. National Assembly Resolution 172/2024/QH15 approved the project November 30, 2024; the national symbolic construction launch was December 19, 2025. Phase 1 sections (Hanoi-Vinh and Nha Trang-HCMC) are targeted for 2030-2032; full line by 2035. Design speed 350 km/h, 1,541 km total, 23 passenger stations across 20 provinces, US$67.34 billion budget. Hanoi-HCMC journey would drop from 30 hours by Reunification Express to 5h 20m. Sources: National Assembly Resolution 172/2024/QH15; SCMP; VnExpress.

Which Vietnam expressway opened most recently?

The Hoai Nhon-Quy Nhon segment opened February 12, 2026 (70.1 km, VND 12.4 trillion). The Quang Ngai-Hoai Nhon segment opened the same day in partial configuration (88 km full, with full opening mid-April 2026; includes 3 tunnels, longest 3.2 km, and 77 bridges). Earlier 2026 openings: Van Phong-Nha Trang final 13 km (Jan 1 2026), Can Tho-Hau Giang-Ca Mau (Dec 22 2025 to Jan 19 2026). Source: Vietnam.vn; SGGP English Edition.

Is the road from HCMC to Nha Trang now expressway end-to-end?

Yes — five continuous expressway segments since April 2024. HCMC-Long Thanh-Dau Giay (Feb 2015) + Dau Giay-Phan Thiet (Apr 2023) + Vinh Hao-Phan Thiet (May 2023) + Cam Lam-Vinh Hao (Apr 2024, closed the last gap) + Nha Trang-Cam Lam (May 2023). Total ~365 km of expressway covering ~400 km of the 415 km HCMC-Nha Trang corridor. Current drive 5.5-6 hours; pre-expressway QL1A took 9-10 hours. Source: VnExpress International ("Expressway near completion to shorten HCMC-Nha Trang trip").

What's happening with Long Thanh Airport?

Inaugurated December 19, 2025; first commercial flights targeted June 2026. Long Thanh International Airport sits in Dong Nai province, ~40 km east of HCMC central. Phase 1 includes one 4,000-metre runway (completed April 2025) and one passenger terminal designed for 25 million passengers/year and 1.2 million tons of cargo/year. Long Thanh will progressively absorb long-haul international flights from Tan Son Nhat, which is fully congested at its current 50M-passenger capacity. The Ben Luc–Long Thanh Expressway (under construction; Phuoc Khanh Bridge ~July 2026) will provide direct airport access from the Mekong corridor. Source: Airports Corporation of Vietnam; SGGP.

Did Vietnam's metros open in 2024?

Yes — two of them. HCMC Metro Line 1 (Ben Thanh-Suoi Tien, 19.7 km, 14 stations) opened December 22, 2024 after 12 years of construction. Free rides for the first month attracted 394,967 riders in the first four days. Trains run 5am-10pm at 4.5-10 minute intervals. Hanoi Metro Line 3 (Nhon-Hanoi Station, elevated 8.5 km / 8 stations section) opened commercially August 8, 2024 and was officially inaugurated November 9, 2024. The underground 4 km / 4 stations extension to Hanoi Station is under construction with tunnel boring underway. Sources: VietnamPlus; HCMC Metro; Wikipedia.

Which Vietnam destination has NOT had a travel-time cut from new expressways?

Mai Chau, Da Lat, and Nha Trang-Da Lat. Mai Chau (Hanoi-3-4 hours via QL6) sits off the North-South Expressway corridor entirely; the Hoa Binh QL6 mountain road has been widened but no expressway is built. Da Lat (HCMC-6-7 hours via QL20) is similarly off-corridor; the Tan Phu-Bao Loc-Lien Khuong expressway is under construction. Nha Trang-Da Lat (3-4 hours via QL27C) remains a mountain road; the Nha Trang-Da Lat Expressway (~80 km, VND 25 trillion, target 2-hour drive) starts construction 2026.

Will the new expressways affect rail and air travel demand?

Modestly. The Reunification Express train remains slower than the expressway road on most segments (Hanoi-Ninh Binh 90 min equal; Hanoi-Hue 13-15h train vs 9-10h drive; HCMC-Nha Trang 8h train vs 5.5h drive) but it's a different experience product. Vietnam Airlines, VietJet, and Bamboo continue to compete on the long routes (Hanoi-HCMC, Hanoi-Da Nang, Hanoi-Phu Quoc) where no road or rail is competitive. The 2035 high-speed rail (5h 20m Hanoi-HCMC) is what will materially compete with the airlines on the spine route — VietJet and Vietnam Airlines have publicly stated they are planning for the shift. Source: VnExpress; Vietnam Aviation Business Association.

Where do these figures come from?

Primary Vietnamese sources: Vietnam Ministry of Construction (formerly Ministry of Transport) inauguration announcements, Vietnam News Agency / VietnamPlus, VnExpress, SGGP English Edition, Saigon Times, Vietnam.vn government portal. Cross-referenced with ADB project closeout reports, Wikipedia (for older 2010-2020 segment dates), and operator-side time quotes from Indochina Voyages, Vinpearl, BestPrice, A21Tours, and Ha Long Bay Lux Cruises. Methodology + per-segment source notes are documented in /docs/research/vietnam-travel-time-atlas-sources.md in our repository. Updated annually each spring; the 2026 baseline is what we'll measure 2027 against.

How often is this updated?

Annually each spring (April-May) as new North-South Expressway segments open. The next update — May 2027 — will reflect the Bien Hoa-Vung Tau full opening, the Chi Thanh-Van Phong and Quy Nhon-Chi Thanh segments (currently expected April 2026), the Ben Luc-Long Thanh full opening (Phuoc Khanh Bridge ~Jul 2026), and the Nha Trang-Da Lat expressway construction status. The 2030 update will start incorporating the high-speed rail Phase 1 segments.