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Types of Intersections at Grade
Minimum Mechanical Turning Radius of Motor Vehicles
46 other sections not shown
20 feet added lane all-paved angle approaching assumed design speed assumed design truck braking caution signs curves at intersections deceleration lanes design vehicles desirable Directional islands DISTANCE AT INTERSECTIONS drivers edge of pavement Feet Feet Feet flared intersection full lane full trailers greater hazard high speed inner rear wheel intersecting roads intersection design intersections at grade lane width LENGTHS OF ACCELERATION low speed minimum designs minimum sight distances minimum turning radius motor vehicles necessary non-preference road normal obstructions over-all pavement edges percent posting distances preference road radii refuge islands right turn safe stopping distance semitrailer separate turning lanes shown in figure sight triangle single-unit trucks speed of 30 speed-change lanes STOP signs superelevation T-intersection TABLE tangent tangent arc traffic lanes truck-trailer trucks and busses turning speed turning traffic turning vehicles type of intersection various speeds vehicles traveling vehicles turning left wheelbase widening width of pavement