A Policy on Arterial Highways in Urban AreasThe Committee on Planning and Design Policies was organized in 1937 upon authority of the Executive Committee of the Association. The purpose of the committee is the formulation of administrative policies looking toward the incorporation in practice of highway design features which will result in maximum safety and utility. |
Contents
LICENSE NO 196 MACHOL EDGE INDEX U S PATENT NO 2680630 OTHER U S AND FOREIGN PATENTS PENDING | 1 |
DESIGN CONTROLS | 8 |
The listings in the left hand | 32 |
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12 feet adjacent arrangement at-grade expressways auxiliary lanes barrier curbs bus stops bus turnouts buses central business district clearance cloverleaf interchanges collector-distributor roads construction control of access cross section cross slope cross streets crosswalks curves D max depressed freeways design capacity design speed desire lines diamond interchange drivers elevated freeways existing streets expressways at grade facility feasible feet wide Geometric Design Policy grade separation improvement interchange intersections left turns length major streets median lane minimum necessary normally number of lanes offset outer separation overcrossing parallel ramps parking lanes pattern pavement peak hours percent permit preferably radii ramp terminals reverse-flow right turns right-of-way route running speed shown in figure side sight distance signal control space speed-change lanes structure superelevation surface tion traffic lanes traffic signals traffic volumes trucks turning movements turning traffic turning vehicles turnouts U-turns urban areas urban arterial highways utilized viaduct weaving