Extracted text: A car is traveling up a 1.25% grade of a crest curve with a design speed of 65 mph....

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A car is traveling up a 1.25% grade of a crest<br>curve with a design speed of 65 mph. The<br>descending grade is -2.75%. What is the<br>required length of curve for minimum proper<br>stopping sight distance?<br>AASHTO Minimum Stopping Sight Distances on Level Roadways (based on braking distance)<br>stopping sight distance<br>design speed<br>(mph)<br>braking distance<br>on level<br>(ft)<br>design<br>(ft)<br>(m)<br>brake reaction distance<br>calculated<br>(km/h)<br>(ft)<br>(m)<br>(m)<br>(ft)<br>(m)<br>(20)<br>(30)<br>(40)<br>(50)<br>(60)<br>(70)<br>(80)<br>(90)<br>(100)<br>(110)<br>(120)<br>(130)<br>(13.9)<br>(20.9)<br>(27.8)<br>(34.8)<br>(41.7)<br>(48.7)<br>(55.6)<br>(62.6)<br>(69.5)<br>(76.5)<br>(83.4)<br>(90.4)<br>(4.6)<br>(10.3)<br>(18.4)<br>(28.7)<br>(41.3)<br>(56.2)<br>(73.4)<br>(92.9)<br>(114.7)<br>(138.8)<br>(165.2)<br>(193.8)<br>(18.5)<br>(31.2)<br>(46.2)<br>(63.5)<br>(83.0)<br>(104.9)<br>(129.0)<br>(155.5)<br>(184.2)<br>(215.3)<br>(248.6)<br>(284.2)<br>(20)<br>(35)<br>(50)<br>(65)<br>(85)<br>(105)<br>(130)<br>(160)<br>(185)<br>(220)<br>(250)<br>(285)<br>15<br>55.1<br>21.6<br>76.7<br>80<br>20<br>73.5<br>38.4<br>111.9<br>115<br>25<br>91.9<br>60.0<br>151.9<br>155<br>30<br>110.3<br>86.4<br>196.7<br>200<br>35<br>128.6<br>117.6<br>246.2<br>250<br>40<br>147.0<br>153.6<br>300.6<br>305<br>359.8<br>423.8<br>45<br>165.4<br>194.4<br>360<br>50<br>183.8<br>240.0<br>425<br>55<br>202.1<br>290.3<br>492.4<br>495<br>60<br>220.5<br>345.5<br>566.0<br>570<br>65<br>238.9<br>405.5<br>644.4<br>645<br>470.3<br>539.9<br>70<br>257.3<br>727.6<br>730<br>75<br>275.6<br>815.5<br>820<br>80<br>294.0<br>614.3<br>908.3<br>910<br>

Extracted text: A car is traveling up a 1.25% grade of a crest curve with a design speed of 65 mph. The descending grade is -2.75%. What is the required length of curve for minimum proper stopping sight distance? AASHTO Minimum Stopping Sight Distances on Level Roadways (based on braking distance) stopping sight distance design speed (mph) braking distance on level (ft) design (ft) (m) brake reaction distance calculated (km/h) (ft) (m) (m) (ft) (m) (20) (30) (40) (50) (60) (70) (80) (90) (100) (110) (120) (130) (13.9) (20.9) (27.8) (34.8) (41.7) (48.7) (55.6) (62.6) (69.5) (76.5) (83.4) (90.4) (4.6) (10.3) (18.4) (28.7) (41.3) (56.2) (73.4) (92.9) (114.7) (138.8) (165.2) (193.8) (18.5) (31.2) (46.2) (63.5) (83.0) (104.9) (129.0) (155.5) (184.2) (215.3) (248.6) (284.2) (20) (35) (50) (65) (85) (105) (130) (160) (185) (220) (250) (285) 15 55.1 21.6 76.7 80 20 73.5 38.4 111.9 115 25 91.9 60.0 151.9 155 30 110.3 86.4 196.7 200 35 128.6 117.6 246.2 250 40 147.0 153.6 300.6 305 359.8 423.8 45 165.4 194.4 360 50 183.8 240.0 425 55 202.1 290.3 492.4 495 60 220.5 345.5 566.0 570 65 238.9 405.5 644.4 645 470.3 539.9 70 257.3 727.6 730 75 275.6 815.5 820 80 294.0 614.3 908.3 910

A car is traveling up a 1.25% grade of a crest curve with a design speed of 65 mph. The descending grade is -2.75%. What is the required length of curve for minimum proper stopping sight distance?...

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