For a Texas driver's education course, I'd separate "dangerous" intersections into two categories:

1. High-crash intersections (where collision numbers are objectively high).
2. Tricky intersections (where the design, traffic patterns, or driver expectations make them unusually challenging even if crash numbers aren't the highest).

The Austin metro area has many intersections that fit one or both categories because of explosive population growth. TxDOT and the City of Austin maintain crash databases through CRIS (Crash Records Information System) and Vision Zero, which consistently show that driver inattention, failure to yield while turning left, and speeding are the leading contributing factors in intersection crashes.

1. US 183 & FM 1431 (Whitestone Blvd) – Cedar Park

Why it's difficult

• Extremely heavy retail traffic.
• Drivers entering and exiting shopping centers from every direction.
• Multiple left-turn lanes.
• Frequent lane changes just before the intersection.
• Mix of commuters, shoppers, and first-time visitors.

Common crashes

• Rear-end collisions.
• Left-turn failures to yield.
• Sideswipes from last-second lane changes.

Why teens struggle
Students become overloaded trying to:

• watch signals,
• read lane signs,
• avoid pedestrians,
• anticipate sudden braking.

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2. 183A Toll & Hero Way – Leander

Why it's tricky

• High-speed traffic leaving the toll road.
• Drivers rapidly accelerating after exiting.
• New development means unfamiliar drivers.
• Heavy school traffic.

Common mistakes

• Misjudging closing speed.
• Turning left across fast-moving traffic.
• Following too closely.

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3. Ronald Reagan Blvd & SH 29 – Liberty Hill

Why it's becoming dangerous
This intersection has transformed from rural to suburban in only a few years.

Challenges include:

• 65+ mph approach speeds.
• Long stopping distances.
• Large trucks.
• Construction.
• Drivers unfamiliar with recent lane changes.

Crash types

• Angle crashes.
• Red-light violations.
• High-speed rear-end crashes.

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4. I-35 & Williams Drive – Georgetown

One of Georgetown's busiest interchanges.

Hazards

• Drivers exiting the interstate at high speed.
• Multiple merge points.
• Heavy tourist traffic.
• Large numbers of commercial vehicles.

Common problems

• Drivers suddenly changing lanes after exiting.
• Queueing on frontage roads.
• Aggressive left turns.

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5. Parmer Lane & FM 620 – Northwest Austin

This is one of the region's busiest suburban intersections.

Why

• Technology corridor commuters.
• School traffic.
• Large shopping centers.
• Continuous turning traffic.

Risk factors

• Long signal cycles tempt red-light running.
• Multiple dedicated turn lanes.
• Heavy pedestrian activity.

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Other challenging intersections

Lakeline Blvd & FM 620 (Cedar Park)

Why:

• Heavy shopping traffic.
• Many driveways close to the signal.
• Frequent pedestrian crossings.

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Crystal Falls Pkwy & Bagdad Rd (Leander)

Why:

• School traffic.
• Drivers making hurried left turns.
• Congestion during morning and afternoon peaks.

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RM 2243 (Hero Way) & Ronald Reagan Blvd (Leander/Liberty Hill)

Rapid residential growth has dramatically increased traffic.

Problems include:

• Drivers expecting rural traffic volumes.
• High speeds.
• Construction changes.
• Large trucks.

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SH 29 & DB Wood Road (Georgetown)

Challenges:

• High-speed approaches.
• Tourist traffic.
• Drivers entering from neighborhood streets.

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Whitestone Blvd & Lakeline Blvd (Cedar Park)

A common issue is drivers attempting to beat yellow lights while others begin left turns.

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Austin intersections with historically high injury totals

Using Austin Vision Zero crash records (rather than simply total crashes), several intersections have consistently ranked among the city's most injury-producing intersections in recent analyses:

• East Howard Lane & Harris Branch Parkway
• East Howard Lane & Harrisglenn Drive
• Dessau Road & East Braker Lane
• Dessau Road & East Howard Lane
• Cameron Road & Rutherford Lane
• East Riverside Drive & South Pleasant Valley Road
• Barton Springs Road & South First Street

Community analysis of four years of Austin crash data found East Howard Lane & Harrisglenn Drive had 57 reported injuries, followed by East 7th Street & Shady Lane (44) and Barton Springs Road & South First Street (38). The leading contributing factors were:

• Driver inattention (~21%)
• Failure to yield while turning left (~17%)

What makes these intersections dangerous?

Regardless of location, the same factors appear repeatedly in Texas crash data:

Texas statistics

According to TxDOT:

• About one in every five traffic crashes in Texas occurs at or near an intersection.
• Failure to yield right-of-way and driver inattention/distraction are consistently among the leading contributing factors.
• Speeding greatly increases both crash likelihood and injury severity.
• Texas maintains statewide crash records through the CRIS database, which agencies use to prioritize safety improvements.

For a Texas driver's education course

Because you're developing content specifically for Austin-area students and parents, I would present these as "Austin Area's 10 Most Challenging Intersections for New Drivers" rather than simply "most dangerous." That lets you explain why each intersection is difficult—high speeds, confusing lane layouts, frontage roads, or heavy turning traffic—so students learn defensive driving techniques instead of just memorizing locations. This educational approach is also less likely to become outdated as road improvements are made.