Millbrae Traffic and Road Conditions

Millbrae Traffic Map

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Traffic flow, road conditions and incident information
Traffic Flow Lines
Red/White dashed lines indicate a closed road.
Grey/White dashed lines indicate road work.
Red lines indicate heavy traffic flow.
Yellow/Orange lines indicate medium traffic flow.
Green lines indicate normal traffic flow.
Black lines or areas without visible traffic flow may indicate a road closure, limited vehicle activity, or a roadway where traffic flow is not currently monitored.
Traffic Incidents
Each map icon represents a traffic event or incident, such as road construction, a road closure (red circle with a white dash), or an accident.
Map Tip:If you are unable to pan the map, press here to move focus away from the map, then try again.
Please note:During extreme weather, flooding, accidents or other major incidents, traffic in Millbrae, CA may still appear as a green line even when individual lanes or an entire roadway is closed.

Millbrae Traffic Alerts

Collision 5.5 mi

Deer collision on I-280 South

A vehicle reportedly hit a deer on I-280 South near the SR-35 exit. The deer is injured and on the right shoulder, while the vehicle is pulled over about 100 feet ahead.

I280 S / I280 S Sr35 S Con Updated 11:17 PM
Hazard 8.6 mi

Debris hazard on Geneva Ave onramp

Watch out for yellow plastic debris on the Geneva Avenue onramp to southbound I-280. No associated vehicles reported.

Geneva Ave Onr / I280 S Updated 10:41 PM
Collision 15.3 mi

Collision on I880 North

A blue Toyota Prius has sustained windshield damage after hitting an unknown object on the northbound I880 near High St. The vehicle is still drivable.

I880 N / High St Onr Updated 11:15 PM
Construction 16.9 mi

Construction Assistance on I580 West

Units are assisting with construction on westbound I580 near Lake Park Ave. No major delays reported at this time.

I580 W / LAKE PARK AVE ONR Updated 10:39 PM
Collision 17.4 mi

Collision Partially Blocking 163rd Ave

A silver Toyota Camry and a black BMW X4 have collided at 163rd Avenue and Liberty Street, partially blocking the slow lane. No injuries have been reported.

163rd Ave / Liberty St Updated 10:33 PM
Collision 18.9 mi

Hit and run reported on Arastradero Rd

A dark green Mini Cooper was parked when it was hit by another vehicle, which then fled the scene. The suspect was seen nearby but did not admit to the collision. No injuries have been reported.

Arastradero Rd / Alpine Rd Updated 10:54 PM
Collision 19.9 mi

Collision on I580 W near Castro Valley Blvd

A green Honda CR-V is involved in a collision on I580 West near Castro Valley Boulevard. One vehicle is leaking fluids, and a tow is requested for another vehicle.

I580 W / Castro Valley Blvd Onr Updated 11:07 PM
Construction 22.2 mi

Construction activity on I580 W

Expect delays on westbound I580 near Eden Canyon Road due to ongoing construction. Stay alert for changing conditions.

I580 W / Eden Canyon Rd Ofr Updated 11:07 PM
Collision 22.7 mi

Collision reported on I-880 North

I-880 North at Mowry Avenue has a collision with unknown injuries. Emergency units are on the way to assess the situation.

I880 N / Mowry Ave Ofr Updated 10:26 PM
Closure 23.3 mi

Construction closure on San Clemente Dr

The southbound exit from Highway 101 to State Route 1 is closed for emergency repairs until 1:00 AM. Expect delays in the area.

53 San Clemente Dr Updated 11:04 PM
Construction 24.3 mi

Construction Assistance on SR24 East

Construction work is ongoing on SR24 East near Acalanes Rd North. Expect possible delays as crews are on-site.

Sr24 E / Acalanes Rd N Onr Updated 10:51 PM
Collision 25.4 mi

Hit and run in Marin area

A parked vehicle was hit on Los Cerros Dr, and the suspect vehicle, described as a small white car, fled the scene towards Highway 101. No injuries have been reported.

411 Los Cerros Dr Updated 10:35 PM
Construction 25.5 mi

Construction impacting traffic at Francisco Blvd Onr

Construction is taking place at the Francisco Boulevard on-ramp to Northbound 101 at Bellam Boulevard. Drivers should be prepared for potential delays.

FRANCISCO BLVD ONR / Bellam Blvd Updated 11:07 PM
Construction 26.7 mi

Construction Assistance on I680 North

Units are assisting with construction activities on I680 North at Alcosta Boulevard. No significant delays reported.

I680 N / Alcosta Blvd Ofr Updated 11:01 PM
Collision 27.1 mi

Gray Tesla involved in collision on WB 262

A gray Tesla is reported to be unmovable after a collision on westbound SR-262 at the I-880 south connector. The vehicle is smoking, and a tow truck has been requested.

Sr262 W I880 S Con / I880 S Updated 11:17 PM
Collision 31.5 mi

Collision on SB 880 near Stevens Creek Blvd

A vehicle is reportedly in the center divider on southbound I-880 near Stevens Creek Blvd. Details on injuries are unclear.

I880 S / Stevens Creek Blvd Ofr Updated 10:58 PM
Hazard 31.8 mi

Animal Hazard on Crockett Blvd

An animal hazard has been reported on Crockett Blvd near Cummings Skyway. One animal may have been hit, and units are responding to assess the situation.

Crockett Blvd / Cummings Skwy Updated 10:23 PM
Construction 36.2 mi

Lane closures on SR17 near Bear Creek Rd

The second lane is closed on northbound SR17 at Bear Creek Rd. Additionally, the second lane from Bear Creek to Summit is closing for construction.

SR17 N / BEAR CREEK RD OFR Updated 11:04 PM
Collision 38.9 mi

Vehicle Off Roadway on SB 17 Near Summit

A vehicle has gone off the roadway approximately 50 feet down an embankment on southbound SR-17 near Summit. A heavy-duty tow is requested for a Chevrolet Silverado that is severely damaged.

Sr17 S / Summit Updated 10:44 PM
California State Official Traffic Resources:
CA DOT | Caltrans QuickMap | CHP Traffic Full Site | CHP Traffic Mobile Site
sources: Caltrans, CHP, Twitter
Alerts Last Updated: Thu, Sep 17th 10:22:54 PM

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National Traffic Forecast

 

Flash Flooding and Record Highs Impacting Roads and Travel for 09-17 to 09-19
Updated Thu Sep 17th 2026, 5:07am PDT
Southwest & Great Basin Area
Drivers in the Southwest should be on high alert for sudden heavy rain and potential flash flooding especially along the I-40 and I-10 corridors. Keep an eye out for ponding water which can lead to unexpected road closures.
Southern Rockies
Commuters traveling through the Southern Rockies, including highways like I-25, should prepare for showers and possible thunderstorms. The risk of flash flooding is present, so please drive carefully and be mindful of road closures.
Northern Plains & Upper Midwest
As we head into Friday and Saturday, heavy rain is expected to develop along the I-94 and I-90 corridors. Be prepared for potential flash flooding, which could lead to traffic delays and detours.
Central Plains & Midwest
The cooler air makes its way into the area, but watch out for cooler temperatures that could impact tire pressure. Routes like the I-70 and I-80 should see less severe weather impacts.
Southern Plains & Mississippi Valley
Travelers in this region should prepare for intense heat, especially in areas along I-35, I-20, and I-55. Ensure your vehicle's air conditioning is working well and stay hydrated.
Florida
Scattered thunderstorms are expected primarily on State Route 528 and US-1. While heavy rain is less likely, be aware of slippery roads and drive with caution.

This live traffic and road conditions report is relevant for ZIP codes 94030 and 94031, accurately covering areas of Millbrae, CA.

Currently

Clear 60°F
30.13 inHg.
Barometer
88%
Humidity
NNW 11.2 mph
Wind
Clear

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