Incidents live, checked (hourly)Speeds updated (every 30 min)
Incidents and speeds: live traffic data. Operator: SMC Tollways. Regulator: Toll Regulatory Board.
From our hourly incident log: 292 incidents on SLEX in the last 7 days, 0 of them accidents. The longest single delay was +55 min on Wed, Nov 4. Day by day.
By Aditya AmanPublished Feb 7, 2026Updated Nov 9, 2026Editorial PolicyLives in the Philippines and has driven nearly every Luzon expressway with his family.1 slowdown, worst at Alabang → San Pedro (South Luzon Expressway to Poblacion); 2 roadworks sites
End to end (56.45 km): usually 30 min. Reported delays now: none southbound, none northbound.
As of , from incident reports checked hourly.
As of 00:07 PHT, incident reports show 0 accidents, 0 flooding reports, 0 closures, 2 roadworks sites and 1 slowdown on SLEX. Worst first:
Bakit traffic sa SLEX ngayon? Sitwasyon ngayon: madadaanan pero mabagal malapit sa San Pedro.
Magallanes toward Calamba
Passable, no incidents reported
No delay reported as of 00:07 PHT.
Calamba toward Magallanes
Passable, slow near San Pedro
No delay reported as of 00:07 PHT.
Compare the reported delay above with these options before you commit to an entry plaza.
| Route | How it works | Trade-off |
|---|---|---|
| Skyway (Elevated) | The Skyway elevated expressway runs above SLEX from Alabang to Buendia. Higher toll but avoids the ground-level SLEX congestion entirely. | Worth it when Magallanes to Alabang is slow |
| Alabang-Zapote Road to CALAX | For Cavite-bound traffic, exit at Alabang and take Alabang-Zapote Road to CALAX instead of continuing on SLEX. Avoids the San Pedro bottleneck. | For Cavite and Tagaytay trips |
| National Highway (Route 1) | The old South Road through Biñan, Sta. Rosa, and Cabuyao runs parallel to SLEX. Free but significantly slower with traffic lights and urban congestion. | No toll, but slower: traffic lights and town centres |
Staying on SLEX? Check the fee for your exit in the SLEX toll matrix.
Heavy stretches our 30-minute speed check is tracking, and the incidents cleared since yesterday. Last checked .
Slow traffic, Alabang → San Pedro (South Luzon Expressway to Poblacion), cleared
Slow traffic, Magallanes → Bicutan (Bayani Road to South Luzon Expressway / Pres. Sergio Osmena South Highway), cleared
Slow traffic, San Pedro → Mamplasan (exit 31 to exit 26), cleared
Slow traffic, Bicutan → Alabang (South Luzon Expressway to Dona Soledad Avenue / West Service Road), cleared
Slow traffic, Bicutan → Alabang (South Luzon Expressway to East Service Road), cleared
Slow traffic, Alabang → San Pedro (E2 to Alabang-Zapote Road), cleared
Slow traffic, Magallanes → Bicutan (Bayani Road to South Luzon Expressway / Pres. Sergio Osmena South Highway), cleared
Slow traffic, Bicutan → Alabang (exit 26 to Pres. Sergio Osmena South Highway), cleared
Heavy Traffic, San Pedro → Mamplasan, to
Heavy Traffic, Magallanes → Bicutan, to
Heavy Traffic, Cabuyao → Calamba, to
Heavy Traffic, Cabuyao → Calamba, to
Heavy Traffic, Cabuyao → Calamba, to
Heavy Traffic, Cabuyao → Calamba, to
Heavy Traffic, Cabuyao → Calamba, to
7 monitored segments, speed feed as of . Usual time is each segment's length at its typical speed. “Now” shows an active incident first, then the speed feed, which refreshes every 30 min. Pick your destination in the next section for the stretch you will drive.
| Segment | Length | Usual time | Now | Reported delay, both directions | Usually heavy |
|---|---|---|---|---|---|
| Magallanes to BicutanSkyway connection, Makati CBD | about 5 km | 3 min | Roadworks | None | Mon-Fri 6 AM-10 AM, 4 PM-11 PM |
| Bicutan to AlabangSucat, Skyway Alabang connection | about 8 km | 5 min | Clear | None | Mon-Fri 6 AM-10 AM, 4 PM-11 PM |
| Alabang to San PedroFilinvest, Susana Heights (MCX connection) | about 8 km | 5 min | Clear | None | No regular heavy hours |
| San Pedro to MamplasanSouthwoods, Carmona, CALAX connection | about 7.5 km | 5 min | Clear | None | No regular heavy hours |
| Mamplasan to Sta. RosaABI/Greenfield, Nuvali, Enchanted Kingdom | about 6 km | 4 min | Clear | None | No regular heavy hours |
| Sta. Rosa to CabuyaoSilangan exit, Laguna Technopark | about 6 km | 4 min | Clear | None | No regular heavy hours |
| Cabuyao to CalambaSTAR Tollway connection, Los Baños | about 9.06 km | 5 min | Clear | None | No regular heavy hours |
Usual drive time for the segments each trip uses, with the delay reported on them now.
Magallanes to Alabang is about 13 km on SLEX, usually 8 min, with no delay reported now. Now: Magallanes to Bicutan roadworks; Bicutan to Alabang clear.
Magallanes to Alabang is the Metro Manila half of SLEX and the section that the Skyway runs above. When this stretch is slow, Skyway (Alabang to Magallanes) is the paid bypass. Skyway traffic update today
Magallanes to Bicutan is about 5 km on SLEX, usually 3 min, with no delay reported now. Now: Magallanes to Bicutan roadworks.
The Bicutan interchange serves Taguig, Parañaque and the C5 link, and the Magallanes to Bicutan segment is where morning northbound queues start.
Alabang to Sta. Rosa is about 21.5 km on SLEX, usually 13 min, with no delay reported now. Now: Alabang to San Pedro clear; San Pedro to Mamplasan clear; Mamplasan to Sta. Rosa clear.
Alabang to Sta. Rosa is the commuter core of SLEX. Weekend Tagaytay traffic leaves at Mamplasan for CALAX or at Sta. Rosa for the Sta. Rosa–Tagaytay Road. Tagaytay traffic today via CALAX
Sta. Rosa to Calamba is about 15.1 km on SLEX, usually 9 min, with no delay reported now. Now: Sta. Rosa to Cabuyao clear; Cabuyao to Calamba clear.
Sta. Rosa to Calamba is the last SLEX stretch before the STAR Tollway interchange for Lipa and Batangas Port. Lipa traffic update today via STAR Tollway
Weekdays: 6-9 AM northbound (toward Manila), 5-8 PM southbound (toward Laguna). Weekends: Saturday/Sunday mornings southbound to Tagaytay (8-11 AM). Fridays: 4-10 PM southbound. Sundays: 3-8 PM northbound (return). Price the trip with the toll and fuel calculator or the SLEX toll matrix.
| When | Direction | Usually | Why |
|---|---|---|---|
| 11:00 PM - 5:00 AM | Both | Clear | Overnight is clear for long-distance trips |
| 5:00 AM - 6:00 AM | Northbound | Light | Beat the morning rush to Manila |
| 10:00 AM - 3:00 PM | Both | Light | Mid-day window between rush hours |
| 6:00 AM - 9:00 AM | Northbound | Heavy | Morning rush, Magallanes-Alabang is worst |
| 5:00 PM - 8:00 PM | Southbound | Heavy | Evening rush, exits at Alabang and Sta. Rosa are bottlenecks |
Typical week, hour by hour, for Magallanes to Bicutan.
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Every incident reported on SLEX per day, Philippine time, as logged by our hourly check. Worst delay is the longest single delay measured that day.
| Day | Incidents | Accidents | Closures | Roadworks | Slowdowns | Worst delay |
|---|---|---|---|---|---|---|
| 1 incidents | 0 accidents | 0 closures | 1 roadworks | 0 slowdowns | None | |
| 23 incidents | 0 accidents | 0 closures | 0 roadworks | 23 slowdowns | +10 min | |
| 14 incidents | 0 accidents | 0 closures | 1 roadworks | 13 slowdowns | +5 min | |
| 53 incidents | 0 accidents | 1 closures | 3 roadworks | 49 slowdowns | +19 min | |
| 76 incidents | 0 accidents | 0 closures | 0 roadworks | 76 slowdowns | +33 min | |
| 65 incidents | 0 accidents | 0 closures | 1 roadworks | 64 slowdowns | +47 min | |
| 60 incidents | 0 accidents | 0 closures | 1 roadworks | 59 slowdowns | +55 min |
Call 02-5318-8655, answered by South Luzon Tollway Corporation (SMC Tollways). Give your km post. For a life-threatening emergency call 911. All expressway hotlines.
The Magallanes to Alabang section is the most congested part of SLEX, and the Bicutan interchange is its persistent bottleneck. The Last 7 Days table on this page shows how many slowdowns SLEX logged each day and the worst delay.
Skyway is faster during rush hours as it is elevated and avoids ground-level congestion. It costs more than the at-grade SLEX for the same trip; both fees are in the SLEX toll matrix. Outside rush hours, the at-grade SLEX is usually fine and cheaper.
Take SLEX southbound, exit at Mamplasan/Sta. Rosa, then take CALAX toward Silang/Tagaytay. Alternatively, exit at Sta. Rosa and take the Santa Rosa-Tagaytay Road. The CALAX route is faster but has additional toll fees.
To avoid the morning rush, head north before 6 AM or after 10 AM. Southbound in the evening, leave before 4 PM or after 11 PM. For weekend trips to Laguna/Batangas, depart before 7 AM to avoid the mid-morning buildup.
The SLEX emergency hotline is 02-5318-8655. For roadside assistance, call and provide your kilometer marker location.
Yes. As of 00:07, Nov 10, 2026 (PHT), incident reports show 0 accidents, 0 flooding and 0 closures on SLEX. Slowdowns: 1; roadworks: 2. Reported delay: southbound no delay, northbound no delay.
SLEX is 56.45 km end to end. Across its 7 monitored segments the drive takes about 30 min at typical speeds, before any reported delay.
SLEX is divided into three distinct traffic zones. The northern section from Magallanes to Alabang is the most congested, carrying dense commuter traffic from Muntinlupa and Parañaque. The Bicutan interchange is a major bottleneck where Skyway and SLEX traffic merge.
The middle section from Alabang to Sta. Rosa improved after CALAX opened, diverting Cavite-bound traffic. The San Pedro and Biñan exits still see moderate rush-hour congestion from residential communities.
The southern section from Sta. Rosa to Calamba is typically clear except on weekends when Tagaytay-bound travelers (exiting at Mamplasan/CALAX) and Batangas-bound travelers (continuing to STAR Tollway) create moderate southbound flow.
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