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R305. 2.2.3 Midblock Crossings. The cross slope at midblock crossings <br />shall be permitted to be warped to meet street or highway grade. <br />R305.2.3 Running Slope. The running slope shall be 5 percent maximum, <br />measured parallel to the direction of pedestrian travel in the crosswalk. <br />R305.3 Pedestrian Signal Phase Timing. All pedestrian signal phase timing shall be <br />calculated using a pedestrian walk speed of 1.1 m/s (3.5 ft/s) maximum. The crosswalk <br />distance used in calculating pedestrian signal phase timing shall include the entire length <br />of the crosswalk. <br />R305.4 Medians and Pedestrian Refuge Islands. Medians and pedestrian refuge <br />islands in crosswalks shall comply with R305.4 and shall contain a pedestrian access <br />route, including passing space, complying with R301 and connecting to each crosswalk. <br />R305.4.1 Length. Medians and pedestrian refuge islands shall be 1.8 m (6.0 ft) <br />minimum in length in the direction of pedestrian travel. <br />Advisory R305.4.1 Length. The edges of cut-throughs and curb ramps are useful as cues <br />to the direction of a crossing. This should be considered when planning an angled route <br />through a median or island. Curb ramps in medians and islands can add difficulty to the <br />crossing for some users. There are many factors to consider when deciding whether to <br />ramp or cut -through a median or island. Those factors may include slope and cross <br />slope of road, drainage, and width of median or island. <br />R305.4.2 Detectable Warnings. Medians and pedestrian refuge islands shall <br />have detectable warnings complying with R304 at curb ramps and blended <br />transitions. Detectable warnings at cut -through islands shall be located at the <br />curbline in -line with the face of curb and shall be separated by a 61 cm (2.0 ft) <br />minimum length of walkway without detectable warnings. Where the island has <br />no curb, the detectable warning shall be located at the edge of roadway. <br />R305.5 Pedestrian Overpasses and Underpasses. Pedestrian overpasses and <br />underpasses shall comply with R305.5. <br />R305.5.1 Pedestrian Access Route. Pedestrian overpasses and underpasses shall <br />contain a pedestrian access route complying with R301. <br />R305.5.2 Approach. Where the approach slope exceeds 5 percent, the approach <br />shall be a ramp 1.2 m (4.0 ft) minimum in width complying with R406 or an <br />elevator, a limited use/limited application elevator, or platform lift complying <br />with the applicable requirements in section 407, 408, and 410 of Appendix D to <br />36 CFR part 1191 (the ADA and ABA Accessibility Guidelines) and providing <br />for independent operation. <br />39 <br />