Design Criteria for Improving Safety Performance of Rural Intersections

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">SPF</td><td class="align_center">Std. error</td><td class="align_center"><span class="nowrap"><svg height="10.2124pt" id="M15" style="vertical-align:-3.42943pt" version="1.1" viewbox="-0.0498162 -6.78297 7.83752 10.2124" width="7.83752pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M570 304C570 398 525 448 414 448C385 448 343 445 312 434L329 511L321 518C297 504 262 482 244 460L233 411C195 397 159 381 128 358L135 332C160 347 189 360 224 373L111 -147C97 -210 84 -218 17 -231L13 -257L254 -247L259 -218L233 -216C183 -212 177 -202 189 -142L218 -1C238 -10 266 -12 283 -12C351 3 429 48 483 105C543 168 570 242 570 304ZM482 289C482 161 380 33 304 33C278 33 248 51 233 69L303 396C326 400 352 403 369 403C428 403 482 380 482 289Z"></path></g></svg>-</span>level</td><td class="align_center">Lo.conf. limit</td><td class="align_center">Up. conf. limit</td><td class="align_center"><i>ρ </i><sup>2</sup></td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left"><svg height="14.8173pt" id="M16" style="vertical-align:-5.52897pt" version="1.1" viewbox="-0.0498162 -9.28833 350.853 14.8173" width="350.853pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M822 650H589L583 622C660 617 677 607 674 561C672 534 664 481 647 390L600 137H596L273 650H126L120 622C176 620 194 615 207 594C221 571 225 557 214 504L161 257C141 166 129 112 121 85C108 42 83 30 29 28L23 0H260L266 28C193 33 173 42 176 89C178 122 186 172 202 255L256 527H259L583 -8H612L690 390C708 481 720 535 728 558C744 603 756 619 816 622L822 650Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,10.062,3.132)"><path d="M463 633C453 636 427 644 417 648C388 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class="tbody-hr"/></td></tr></table></td></tr></table>

<div><i>N<sub>SPF,3ST</sub></i> on 3ST intersections reflecting new base geometric conditions.</div>

Journal of Advanced Transportation

tab3

Table 3

Table 3: Design Criteria for Improving Safety Performance of Rural Intersections 