Last updated · Source: CCRS (data.ca.gov), FARS for fatal crashes

Motorcycle crash statistics and hotspots in Union City, CA

69 motorcycle crashes were reported in Union City from 2021–2026, 14 of them serious or fatal (3 fatal).
motorcycle crashes, 2021–2026
69
motorcycle crashes, 2021–2026
serious or fatal
14
serious or fatal
fatal
3
fatal
street with the most
I-880
street with the most

Is Union City safe to ride a motorcycle?

This page covers traffic crashes, not crime. We don't rate cities as safe or unsafe: crash counts can't say how risky a street is, and busy streets have more crashes partly because more people use them. What the records show: 69 motorcycle crashes were reported in Union City from 2021–2026, 14 of them serious or fatal (3 fatal). The most were at Mission Blvd & E St (6). 14% involved no other vehicle, usually running wide or losing grip. 17% involved a car turning left across the rider.

Where to look next

How motorcyclists crash in Union City

  • 14% involved no other vehicle, usually running wide or losing grip.
  • 17% involved a car turning left across the rider.
  • 20% happened after dark.
  • 16% were hit-and-run.

What the reports show about motorcycle crashes in Union City

  • 20% (California: 25%) of crashes happened after dark.
  • 20% (California: 28%) left someone seriously hurt or killed.
  • The busiest hour was 5 p.m. (California: 5 p.m.).
  • 1% (California: 2%) were on a wet road, as the report records it.

Set against all motorcycle crashes in California, 2021–2026. Without traffic counts these can't say how risky a street is.

Where motorcycle crashes cluster

Spots with 3 or more reported crashes within about 250 m, worst first.

  1. 016 crashes · 3 serious or fatal

    Mission Blvd & E St

    Side-impact crashes at the junction

    4 of 6 crashes were broadside: a vehicle hit at an angle, usually a driver pulling out of a side street or driveway, turning across, or running the signal.

    • Cover your brakes through the junction and watch the front wheels of cars waiting to pull out or turn left. Drivers misjudge how fast a motorcycle is coming.
    See it on the map
  2. 027 crashes · 2 serious or fatal

    I-880 & Alvarado Niles Rd

    Close passes and cars turning alongside

    3 of 7 crashes were sideswipes: a vehicle alongside, typically a close pass, a right hook, or an opening car door. Traffic is posted at about 65 mph.

    • Don't linger in drivers' blind spots, and watch for cars changing lanes or turning into driveways alongside you.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map
  3. 038 crashes · 1 serious or fatal

    I-880 & Whipple Rd

    Riders hit from behind

    3 of 8 crashes were rear-end: hit from behind. Traffic is posted at about 65 mph.

    • Check your mirrors when slowing, flash your brake light, and leave an escape gap when you stop in traffic.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map
  4. 043 crashes

    I-880 & Alvarado-Niles Rd

    Close passes and cars turning alongside

    2 of 3 crashes were sideswipes: a vehicle alongside, typically a close pass, a right hook, or an opening car door. Traffic is posted at about 65 mph.

    • Don't linger in drivers' blind spots, and watch for cars changing lanes or turning into driveways alongside you.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map
  5. 053 crashes

    I-880 & Alvarado-Niles Rd

    Close passes and cars turning alongside

    Police reports: in 3 of 3, a driver drifted out of the lane or onto the wrong side. 2 of 3 crashes were sideswipes: a vehicle alongside, typically a close pass, a right hook, or an opening car door. Traffic is posted at about 65 mph.

    • Don't linger in drivers' blind spots, and watch for cars changing lanes or turning into driveways alongside you.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map

Streets with the most motorcycle crashes in Union City

StreetCrashesSerious/fatal
I-880274
Whipple Rd71
Alvarado Niles Rd50
Mission Blvd43
Union City Blvd42
Decoto Rd40

Reported motorcycle crashes, 2021–2026, counted by the street each police report names first, so a crash at a corner counts toward one of its two streets. Long, busy streets collect more crashes partly because more people use them.

What the police reports say drivers did in Union City

A driver…Crashes
drifted out of the lane or onto the wrong side11
turned or changed lanes when it wasn't clear8
didn't yield while turning left4
drove too fast for conditions3

The other vehicle, where the report names one: 30 cars, 12 SUVs, 6 pickup trucks, 4 minivans and 3 truck or semis. In 1 crash the report says the other driver had been drinking or was on drugs.

Reported motorcycle crashes, 2021–2026. The officer names one party and one Vehicle Code section as the main cause of each crash; these are the crashes where that party was a driver. It is the officer's reading at the scene, not a court's finding, and many reports name the person on foot or on a bike instead, which we don't list.

Motorcycle crashes in Union City by year

YearCrashesSerious/fatal
2021135
2022121
2023123
2024193
202582
2026to Oct 1950

2026 runs to Oct 19, the newest report in the data, and police reports keep arriving for months, so it isn't a full year.

Common questions about Union City

Where do the most motorcycle crashes happen in Union City?
The worst spot is Mission Blvd & E St, with 6 reported motorcycle crashes from 2021–2026, 3 of them serious or fatal. Next are I-880 & Alvarado Niles Rd (7) and I-880 & Whipple Rd (8).
How many motorcyclists were killed in Union City?
3 crashes killed someone in 69 reported motorcycle crashes in Union City from 2021–2026, and 14 left someone seriously hurt or killed.
How do motorcyclists usually crash in Union City?
14% involved no other vehicle, usually running wide or losing grip. 17% involved a car turning left across the rider. 20% happened after dark. 16% were hit-and-run.
When and where do motorcycle crashes happen in Union City, compared with California?
Of 69 reported motorcycle crashes in Union City from 2021–2026: 20% (California: 25%) of crashes happened after dark. 20% (California: 28%) left someone seriously hurt or killed. The busiest hour was 5 p.m. (California: 5 p.m.). 1% (California: 2%) were on a wet road, as the report records it.
Which streets in Union City have the most motorcycle crashes?
By the street each police report names first, 2021–2026: I-880 (27), Whipple Rd (7), Alvarado Niles Rd (5), Mission Blvd (4), Union City Blvd (4). Long, busy streets collect more crashes partly because more people use them.
How many motorcycle crashes happen in Union City each year?
Reported motorcycle crashes with map locations: 2021: 13, 2022: 12, 2023: 12, 2024: 19, 2025: 8, 2026 (through Oct 19): 5. The latest year can rise as late reports come in.
Where does this data come from?
Police crash reports in the California Crash Reporting System (CCRS), published by the state on data.ca.gov. A report with no coordinates is placed at the intersection its street names give; reports with neither are not counted, so the real totals are higher.

Nearby cities

Source: California Crash Reporting System (CCRS), 2021–2026. A report with no coordinates is placed at the intersection its street names give; reports with neither are not counted, so these numbers are lower than the real total. Freeway crashes are included: many motorcycle crashes in cities happen on them. Busy streets show more crashes partly because more people use them. Data last rebuilt 2026-10-22. How the data works.