Roadscape 3D Swept-Path
run a normal vehicle turn - radius, curb, lane, speed
Vehicle Lane standard 10 ft narrow/local 10.5 ft city default 11 ft standard 12 ft truck/bus lane Two-lane turn Three-lane turn Four-lane ramp turn Curb standard standard rounded curb - 6 in vertical/block curb - 6 in mountable truck apron - 3 in wide rolled residential curb - 4 in custom curb Speed control before turn none short speed hump - 3 in, 12 ft, 45 ft before long speed table - 3.5 in, 22 ft, 60 ft before raised crosswalk - 4 in, 30 ft, 75 ft before truck-friendly table - 2.5 in, 30 ft before custom control Ready
Effective speed10 mph
Curb/rub zone0%
Adjacent exposureclear
Rollover risklow
Run vehicle Auto run
Best safety Start over
Make it real (AI photo)
Compare default fixes
Bigger radius clearance firstWider turn lanes room for trucksTruck apron less curb hitBalanced fix safer + flow
Back to Swept Path Pro
Use this turn in Swept Path Pro
Analysis model: deterministic swept path plus simplified speed/curb/load risk. Official engineering or crash conclusions require qualified professional review.