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Page 100
Suggested Citation:"Appendix C: Conflict Data." National Academies of Sciences, Engineering, and Medicine. 2012. Operation of Light Rail Transit through Ungated Crossings at Speeds over 35 MPH. Washington, DC: The National Academies Press. doi: 10.17226/22822.
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Page 101
Suggested Citation:"Appendix C: Conflict Data." National Academies of Sciences, Engineering, and Medicine. 2012. Operation of Light Rail Transit through Ungated Crossings at Speeds over 35 MPH. Washington, DC: The National Academies Press. doi: 10.17226/22822.
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Page 102
Suggested Citation:"Appendix C: Conflict Data." National Academies of Sciences, Engineering, and Medicine. 2012. Operation of Light Rail Transit through Ungated Crossings at Speeds over 35 MPH. Washington, DC: The National Academies Press. doi: 10.17226/22822.
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Page 103
Suggested Citation:"Appendix C: Conflict Data." National Academies of Sciences, Engineering, and Medicine. 2012. Operation of Light Rail Transit through Ungated Crossings at Speeds over 35 MPH. Washington, DC: The National Academies Press. doi: 10.17226/22822.
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Page 103
Page 104
Suggested Citation:"Appendix C: Conflict Data." National Academies of Sciences, Engineering, and Medicine. 2012. Operation of Light Rail Transit through Ungated Crossings at Speeds over 35 MPH. Washington, DC: The National Academies Press. doi: 10.17226/22822.
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Page 105
Suggested Citation:"Appendix C: Conflict Data." National Academies of Sciences, Engineering, and Medicine. 2012. Operation of Light Rail Transit through Ungated Crossings at Speeds over 35 MPH. Washington, DC: The National Academies Press. doi: 10.17226/22822.
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Page 106
Suggested Citation:"Appendix C: Conflict Data." National Academies of Sciences, Engineering, and Medicine. 2012. Operation of Light Rail Transit through Ungated Crossings at Speeds over 35 MPH. Washington, DC: The National Academies Press. doi: 10.17226/22822.
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Page 106
Page 107
Suggested Citation:"Appendix C: Conflict Data." National Academies of Sciences, Engineering, and Medicine. 2012. Operation of Light Rail Transit through Ungated Crossings at Speeds over 35 MPH. Washington, DC: The National Academies Press. doi: 10.17226/22822.
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Page 107
Page 108
Suggested Citation:"Appendix C: Conflict Data." National Academies of Sciences, Engineering, and Medicine. 2012. Operation of Light Rail Transit through Ungated Crossings at Speeds over 35 MPH. Washington, DC: The National Academies Press. doi: 10.17226/22822.
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TCRP Web-Only Document 53 96 APPENDIX C: CONFLICT DATA

TCRP Web-Only Document 53 97 Crossing Rear End Lane Change N First St at E Brokaw 2428 9 2288 131 N First St at Karina Ct 650 0 603 47 N First St at Charcot Ave 1284 4 1236 44 N First St at Component Dr 994 5 969 20 N First St at Trimble Rd 1975 14 1894 67 AM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change N First St at E Brokaw 2863 8 2737 118 N First St at Karina Ct 1263 4 1167 92 N First St at Charcot Ave 1467 4 1380 83 N First St at Component Dr 387 2 369 16 N First St at Trimble Rd 1793 6 1723 64 PM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change 1 494 1 467 26 2 481 1 451 29 3 457 3 434 20 4 470 3 438 29 5 526 1 498 27 Total 2428 9 2288 131 Average 486 2 458 26 St. Dev 26.4 1.1 26.0 3.7 Coefficient of Variation 0.05 0.61 0.06 0.14 1 112 0 103 9 2 107 0 99 8 3 139 0 131 8 4 132 0 117 15 5 160 0 153 7 Total 650 0 603 47 Average 130 0 121 9 St. Dev 21.4 0.0 22.1 3.2 Coefficient of Variation 0.16 0.00 0.18 0.34 1 264 0 254 10 2 248 1 240 7 3 237 1 229 7 4 279 1 266 12 5 256 1 247 8 Total 1284 4 1236 44 Average 257 1 247 9 St. Dev 15.9 0.4 14.0 2.2 Coefficient of Variation 0.06 0.56 0.06 0.25 1 211 0 209 2 2 222 3 213 6 3 167 0 164 3 4 181 0 178 3 5 213 2 205 6 Total 994 5 969 20 Average 199 1 194 4 St. Dev 23.5 1.4 21.6 1.9 Coefficient of Variation 0.12 1.41 0.11 0.47 1 369 1 355 13 2 402 4 385 13 3 391 0 376 15 4 392 3 374 15 5 421 6 404 11 Total 1975 14 1894 67 Average 395 3 379 13 St. Dev 18.9 2.4 17.8 1.7 Coefficient of Variation 0.05 0.85 0.05 0.12 AM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd Crossing Rear End Lane Change 1 546 1 518 27 2 551 2 529 20 3 598 2 579 17 4 581 1 554 26 5 587 2 557 28 Total 2863 8 2737 118 Average 573 2 547 24 St. Dev 22.9 0.5 24.2 4.8 Coefficient of Variation 0.04 0.34 0.04 0.20 1 253 2 238 13 2 237 1 217 19 3 265 0 247 18 4 260 0 243 17 5 248 1 222 25 Total 1263 4 1167 92 Average 253 1 233 18 St. Dev 10.9 0.8 13.2 4.3 Coefficient of Variation 0.04 1.05 0.06 0.24 1 273 1 255 17 2 300 1 281 18 3 279 0 267 12 4 299 0 282 17 5 316 2 295 19 Total 1467 4 1380 83 Average 293 1 276 17 St. Dev 17.4 0.8 15.4 2.7 Coefficient of Variation 0.06 1.05 0.06 0.16 1 71 0 71 0 2 74 1 70 3 3 69 1 63 5 4 92 0 86 6 5 81 0 79 2 Total 387 2 369 16 Average 77 0 74 3 St. Dev 9.3 0.5 8.9 2.4 Coefficient of Variation 0.12 1.37 0.12 0.75 1 343 0 331 12 2 351 1 331 19 3 363 2 352 9 4 365 2 353 10 5 371 1 356 14 Total 1793 6 1723 64 Average 359 1 345 13 St. Dev 11.3 0.8 12.5 4.0 Coefficient of Variation 0.03 0.70 0.04 0.31 PM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd 40 MPH LRV, 0 PERCENT INCREASE IN TURNS/CROSS STREET VOLUMES

TCRP Web-Only Document 53 98 40 MPH LRV, 10 PERCENT INCREASE IN TURNS/CROSS STREET VOLUMES Crossing Rear End Lane Change N First St at E Brokaw 2570 11 2440 119 N First St at Karina Ct 1184 2 1077 105 N First St at Charcot Ave 1423 9 1346 68 N First St at Component Dr 563 8 534 21 N First St at Trimble Rd 1970 3 1900 67 PM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change N First St at E Brokaw 2829 14 2686 129 N First St at Karina Ct 579 1 521 57 N First St at Charcot Ave 1382 4 1349 29 N First St at Component Dr 1120 3 1089 28 N First St at Trimble Rd 2067 13 1985 69 AM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change 1 568 2 543 23 2 570 2 539 29 3 566 2 541 23 4 586 4 554 28 5 539 4 509 26 Total 2829 14 2686 129 Average 566 3 537 26 St. Dev 16.9 1.1 16.8 2.8 Coefficient of Variation 0.03 0.39 0.03 0.11 1 105 0 97 8 2 124 0 112 12 3 98 1 87 10 4 130 0 115 15 5 122 0 110 12 Total 579 1 521 57 Average 116 0 104 11 St. Dev 13.6 0.4 11.8 2.6 Coefficient of Variation 0.12 2.24 0.11 0.23 1 267 0 261 6 2 291 1 282 8 3 285 1 278 6 4 274 1 271 2 5 265 1 257 7 Total 1382 4 1349 29 Average 276 1 270 6 St. Dev 11.3 0.4 10.7 2.3 Coefficient of Variation 0.04 0.56 0.04 0.39 1 218 0 215 3 2 223 2 217 4 3 221 0 212 9 4 213 1 206 6 5 245 0 239 6 Total 1120 3 1089 28 Average 224 1 218 6 St. Dev 12.3 0.9 12.6 2.3 Coefficient of Variation 0.06 1.49 0.06 0.41 1 430 6 408 16 2 423 1 409 13 3 378 4 360 14 4 414 2 397 15 5 422 0 411 11 Total 2067 13 1985 69 Average 413 3 397 14 St. Dev 20.6 2.4 21.4 1.9 Coefficient of Variation 0.05 0.93 0.05 0.14 N First St at Component Dr N First St at Trimble Rd N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave AM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict Crossing Rear End Lane Change 1 523 4 494 25 2 515 1 489 25 3 491 2 472 17 4 516 4 480 32 5 525 0 505 20 Total 2570 11 2440 119 Average 514 2 488 24 St. Dev 13.6 1.8 12.7 5.7 Coefficient of Variation 0.03 0.81 0.03 0.24 1 224 0 204 20 2 232 1 211 20 3 236 1 211 24 4 228 0 207 21 5 264 0 244 20 Total 1184 2 1077 105 Average 237 0 215 21 St. Dev 15.8 0.5 16.3 1.7 Coefficient of Variation 0.07 1.37 0.08 0.08 1 283 0 270 13 2 306 1 288 17 3 277 5 257 15 4 277 1 265 11 5 280 2 266 12 Total 1423 9 1346 68 Average 285 2 269 14 St. Dev 12.2 1.9 11.5 2.4 Coefficient of Variation 0.04 1.07 0.04 0.18 1 114 0 109 5 2 106 0 102 4 3 117 3 111 3 4 107 3 102 2 5 119 2 110 7 Total 563 8 534 21 Average 113 2 107 4 St. Dev 5.9 1.5 4.4 1.9 Coefficient of Variation 0.05 0.95 0.04 0.46 1 402 0 387 15 2 411 0 397 14 3 376 1 362 13 4 383 1 373 9 5 398 1 381 16 Total 1970 3 1900 67 Average 394 1 380 13 St. Dev 14.3 0.5 13.3 2.7 Coefficient of Variation 0.04 0.91 0.04 0.20 N First St at Component Dr N First St at Trimble Rd N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave PM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict

TCRP Web-Only Document 53 99 40 MPH LRV, 15 PERCENT INCREASE IN TURNS/CROSS STREET VOLUMES Crossing Rear End Lane Change N First St at E Brokaw 2721 14 2574 133 N First St at Karina Ct 1231 1 1117 113 N First St at Charcot Ave 1453 4 1392 57 N First St at Component Dr 599 4 572 23 N First St at Trimble Rd 2063 7 1977 79 PM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change N First St at E Brokaw 3212 13 3040 159 N First St at Karina Ct 606 3 543 60 N First St at Charcot Ave 1419 4 1368 47 N First St at Component Dr 1022 5 986 31 N First St at Trimble Rd 2152 14 2034 104 AM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change 1 668 2 626 40 2 643 5 605 33 3 638 3 600 35 4 647 3 623 21 5 616 0 586 30 Total 3212 13 3040 159 Average 642 3 608 32 St. Dev 18.7 1.8 16.6 7.0 Coefficient of Variation 0.03 0.70 0.03 0.22 1 97 2 83 12 2 135 0 122 13 3 147 0 136 11 4 122 0 111 11 5 105 1 91 13 Total 606 3 543 60 Average 121 1 109 12 St. Dev 20.6 0.9 21.8 1.0 Coefficient of Variation 0.17 1.49 0.20 0.08 1 316 1 309 6 2 280 0 270 10 3 265 1 253 11 4 277 1 263 13 5 281 1 273 7 Total 1419 4 1368 47 Average 284 1 274 9 St. Dev 19.1 0.4 21.2 2.9 Coefficient of Variation 0.07 0.56 0.08 0.31 1 218 2 213 3 2 203 1 198 4 3 199 1 191 7 4 179 1 166 12 5 223 0 218 5 Total 1022 5 986 31 Average 204 1 197 6 St. Dev 17.4 0.7 20.6 3.6 Coefficient of Variation 0.08 0.71 0.10 0.57 1 429 3 406 20 2 417 3 393 21 3 410 3 385 22 4 449 1 427 21 5 447 4 423 20 Total 2152 14 2034 104 Average 430 3 407 21 St. Dev 17.5 1.1 18.3 0.8 Coefficient of Variation 0.04 0.39 0.04 0.04 AM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd Crossing Rear End Lane Change 1 537 1 511 25 2 557 3 527 27 3 498 1 471 26 4 542 6 511 25 5 587 3 554 30 Total 2721 14 2574 133 Average 544 3 515 27 St. Dev 32.4 2.0 30.1 2.1 Coefficient of Variation 0.06 0.73 0.06 0.08 1 242 0 220 22 2 242 0 219 23 3 259 1 234 24 4 240 0 219 21 5 248 0 225 23 Total 1231 1 1117 113 Average 246 0 223 23 St. Dev 7.8 0.4 6.4 1.1 Coefficient of Variation 0.03 2.24 0.03 0.05 1 293 0 283 10 2 299 1 289 9 3 282 1 273 8 4 301 2 281 18 5 278 0 266 12 Total 1453 4 1392 57 Average 291 1 278 11 St. Dev 10.2 0.8 9.0 4.0 Coefficient of Variation 0.04 1.05 0.03 0.35 1 108 1 103 4 2 111 0 108 3 3 133 1 126 6 4 112 2 105 5 5 135 0 130 5 Total 599 4 572 23 Average 120 1 114 5 St. Dev 13.1 0.8 12.6 1.1 Coefficient of Variation 0.11 1.05 0.11 0.25 1 410 0 392 18 2 419 3 400 16 3 384 0 369 15 4 421 0 408 13 5 429 4 408 17 Total 2063 7 1977 79 Average 413 1 395 16 St. Dev 17.4 1.9 16.2 1.9 Coefficient of Variation 0.04 1.39 0.04 0.12 PM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd

TCRP Web-Only Document 53 100 Crossing Rear End Lane Change N First St at E Brokaw 3371 20 3180 171 N First St at Karina Ct 651 1 592 58 N First St at Charcot Ave 1562 4 1498 60 N First St at Component Dr 1163 2 1136 25 N First St at Trimble Rd 2304 13 2199 92 AM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change N First St at E Brokaw 2873 12 2720 141 N First St at Karina Ct 1344 2 1242 100 N First St at Charcot Ave 1561 8 1477 76 N First St at Component Dr 617 7 594 16 N First St at Trimble Rd 2083 12 1986 85 PM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change 1 624 1 588 35 2 685 2 658 25 3 718 4 670 44 4 637 5 604 28 5 707 8 660 39 Total 3371 20 3180 171 Average 674 4 636 34 St. Dev 41.9 2.7 37.2 7.8 Coefficient of Variation 0.06 0.68 0.06 0.23 1 127 0 116 11 2 123 1 113 9 3 131 0 119 12 4 123 0 111 12 5 147 0 133 14 Total 651 1 592 58 Average 130 0 118 12 St. Dev 10.0 0.4 8.7 1.8 Coefficient of Variation 0.08 2.24 0.07 0.16 1 319 0 300 19 2 316 1 304 11 3 316 1 306 9 4 309 2 298 9 5 302 0 290 12 Total 1562 4 1498 60 Average 312 1 300 12 St. Dev 6.9 0.8 6.2 4.1 Coefficient of Variation 0.02 1.05 0.02 0.34 1 233 0 228 5 2 253 1 247 5 3 208 0 204 4 4 224 1 219 4 5 245 0 238 7 Total 1163 2 1136 25 Average 233 0 227 5 St. Dev 17.7 0.5 16.7 1.2 Coefficient of Variation 0.08 1.37 0.07 0.24 1 479 0 459 20 2 479 4 458 17 3 472 3 450 19 4 439 2 421 16 5 435 4 411 20 Total 2304 13 2199 92 Average 461 3 440 18 St. Dev 22.0 1.7 22.3 1.8 Coefficient of Variation 0.05 0.64 0.05 0.10 AM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd Crossing Rear End Lane Change 1 596 1 558 37 2 563 1 539 23 3 538 3 513 22 4 555 4 520 31 5 621 3 590 28 Total 2873 12 2720 141 Average 575 2 544 28 St. Dev 33.4 1.3 31.1 6.1 Coefficient of Variation 0.06 0.56 0.06 0.22 1 269 1 249 19 2 246 1 231 14 3 269 0 246 23 4 281 0 258 23 5 279 0 258 21 Total 1344 2 1242 100 Average 269 0 248 20 St. Dev 13.9 0.5 11.1 3.7 Coefficient of Variation 0.05 1.37 0.04 0.19 1 307 1 292 14 2 328 3 301 24 3 301 3 288 10 4 325 0 310 15 5 300 1 286 13 Total 1561 8 1477 76 Average 312 2 295 15 St. Dev 13.4 1.3 10.0 5.3 Coefficient of Variation 0.04 0.84 0.03 0.35 1 123 0 120 3 2 112 2 107 3 3 125 4 120 1 4 113 1 107 5 5 144 0 140 4 Total 617 7 594 16 Average 123 1 119 3 St. Dev 12.9 1.7 13.5 1.5 Coefficient of Variation 0.10 1.20 0.11 0.46 1 397 6 379 12 2 464 3 432 29 3 406 2 394 10 4 389 0 376 13 5 427 1 405 21 Total 2083 12 1986 85 Average 417 2 397 17 St. Dev 30.1 2.3 22.7 7.9 Coefficient of Variation 0.07 0.96 0.06 0.47 PM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd 40 MPH LRV, 20 PERCENT INCREASE IN TURNS/CROSS STREET VOLUMES

TCRP Web-Only Document 53 101 Crossing Rear End Lane Change N First St at E Brokaw 2507 17 2352 138 N First St at Karina Ct 562 2 510 50 N First St at Charcot Ave 1297 1 1248 48 N First St at Component Dr 1046 8 1011 27 N First St at Trimble Rd 1920 12 1843 65 AM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change N First St at E Brokaw 2909 14 2779 116 N First St at Karina Ct 1214 1 1122 91 N First St at Charcot Ave 1464 1 1368 95 N First St at Component Dr 412 3 395 14 N First St at Trimble Rd 1814 9 1739 66 PM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change 1 491 2 456 33 2 477 4 450 23 3 492 3 462 27 4 512 3 479 30 5 535 5 505 25 Total 2507 17 2352 138 Average 501 3 470 28 St. Dev 22.5 1.1 22.2 4.0 Coefficient of Variation 0.04 0.34 0.05 0.14 1 99 1 93 5 2 125 1 113 11 3 101 0 88 13 4 119 0 110 9 5 118 0 106 12 Total 562 2 510 50 Average 112 0 102 10 St. Dev 11.7 0.5 10.9 3.2 Coefficient of Variation 0.10 1.37 0.11 0.32 1 254 0 243 11 2 266 1 256 9 3 247 0 236 11 4 251 0 242 9 5 279 0 271 8 Total 1297 1 1248 48 Average 259 0 250 10 St. Dev 13.0 0.4 14.0 1.3 Coefficient of Variation 0.05 2.24 0.06 0.14 1 213 1 207 5 2 191 2 183 6 3 209 2 203 4 4 186 0 184 2 5 247 3 234 10 Total 1046 8 1011 27 Average 209 2 202 5 St. Dev 24.0 1.1 20.8 3.0 Coefficient of Variation 0.11 0.71 0.10 0.55 1 356 1 341 14 2 412 1 398 13 3 392 2 379 11 4 389 3 371 15 5 371 5 354 12 Total 1920 12 1843 65 Average 384 2 369 13 St. Dev 21.4 1.7 22.1 1.6 Coefficient of Variation 0.06 0.70 0.06 0.12 AM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd Crossing Rear End Lane Change 1 592 3 560 29 2 533 2 514 17 3 609 3 586 20 4 584 3 556 25 5 591 3 563 25 Total 2909 14 2779 116 Average 582 3 556 23 St. Dev 28.8 0.4 26.1 4.7 Coefficient of Variation 0.05 0.16 0.05 0.20 1 249 0 232 17 2 254 1 229 24 3 244 0 233 11 4 249 0 231 18 5 218 0 197 21 Total 1214 1 1122 91 Average 243 0 224 18 St. Dev 14.3 0.4 15.4 4.9 Coefficient of Variation 0.06 2.24 0.07 0.27 1 275 1 257 17 2 309 0 290 19 3 311 0 295 16 4 274 0 251 23 5 295 0 275 20 Total 1464 1 1368 95 Average 293 0 274 19 St. Dev 17.8 0.4 19.5 2.7 Coefficient of Variation 0.06 2.24 0.07 0.14 1 86 0 84 2 2 78 1 73 4 3 81 1 77 3 4 85 0 81 4 5 82 1 80 1 Total 412 3 395 14 Average 82 1 79 3 St. Dev 3.2 0.5 4.2 1.3 Coefficient of Variation 0.04 0.91 0.05 0.47 1 368 3 353 12 2 350 1 334 15 3 380 2 356 22 4 361 1 355 5 5 355 2 341 12 Total 1814 9 1739 66 Average 363 2 348 13 St. Dev 11.7 0.8 9.8 6.1 Coefficient of Variation 0.03 0.46 0.03 0.47 PM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd 45 MPH LRV, 0 PERCENT INCREASE IN TURNS/CROSS STREET VOLUMES

TCRP Web-Only Document 53 102 Crossing Rear End Lane Change N First St at E Brokaw 2854 18 2711 125 N First St at Karina Ct 563 2 518 43 N First St at Charcot Ave 1440 4 1399 37 N First St at Component Dr 1036 3 1008 25 N First St at Trimble Rd 2007 7 1924 76 AM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change N First St at E Brokaw 2642 13 2502 127 N First St at Karina Ct 1163 1 1060 102 N First St at Charcot Ave 1383 7 1311 65 N First St at Component Dr 536 7 508 21 N First St at Trimble Rd 1971 10 1891 70 PM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change 1 533 3 504 26 2 564 1 534 29 3 574 3 554 17 4 555 3 527 25 5 628 8 592 28 Total 2854 18 2711 125 Average 571 4 542 25 St. Dev 35.4 2.6 33.1 4.7 Coefficient of Variation 0.06 0.72 0.06 0.19 1 96 0 89 7 2 111 0 100 11 3 117 1 110 6 4 111 0 100 11 5 128 1 119 8 Total 563 2 518 43 Average 113 0 104 9 St. Dev 11.6 0.5 11.4 2.3 Coefficient of Variation 0.10 1.37 0.11 0.27 1 281 0 272 9 2 294 1 282 11 3 267 0 261 6 4 303 1 295 7 5 295 2 289 4 Total 1440 4 1399 37 Average 288 1 280 7 St. Dev 14.1 0.8 13.6 2.7 Coefficient of Variation 0.05 1.05 0.05 0.37 1 208 0 206 2 2 226 1 221 4 3 201 1 190 10 4 208 1 201 6 5 193 0 190 3 Total 1036 3 1008 25 Average 207 1 202 5 St. Dev 12.2 0.5 12.9 3.2 Coefficient of Variation 0.06 0.91 0.06 0.63 1 418 2 405 11 2 388 1 373 14 3 406 1 390 15 4 431 0 406 25 5 364 3 350 11 Total 2007 7 1924 76 Average 401 1 385 15 St. Dev 26.2 1.1 23.6 5.8 Coefficient of Variation 0.07 0.81 0.06 0.38 AM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd Crossing Rear End Lane Change 1 512 1 480 31 2 559 5 529 25 3 529 5 503 21 4 501 1 472 28 5 541 1 518 22 Total 2642 13 2502 127 Average 528 3 500 25 St. Dev 23.0 2.2 24.3 4.2 Coefficient of Variation 0.04 0.84 0.05 0.16 1 242 0 214 28 2 213 1 194 18 3 247 0 223 24 4 235 0 220 15 5 226 0 209 17 Total 1163 1 1060 102 Average 233 0 212 20 St. Dev 13.5 0.4 11.4 5.4 Coefficient of Variation 0.06 2.24 0.05 0.27 1 268 0 255 13 2 302 2 285 15 3 292 5 274 13 4 267 0 253 14 5 254 0 244 10 Total 1383 7 1311 65 Average 277 1 262 13 St. Dev 19.7 2.2 16.8 1.9 Coefficient of Variation 0.07 1.56 0.06 0.14 1 104 0 100 4 2 103 0 98 5 3 110 1 104 5 4 105 4 97 4 5 114 2 109 3 Total 536 7 508 21 Average 107 1 102 4 St. Dev 4.7 1.7 4.9 0.8 Coefficient of Variation 0.04 1.20 0.05 0.20 1 373 3 362 8 2 423 3 405 15 3 406 2 387 17 4 388 2 368 18 5 381 0 369 12 Total 1971 10 1891 70 Average 394 2 378 14 St. Dev 20.2 1.2 17.7 4.1 Coefficient of Variation 0.05 0.61 0.05 0.29 PM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd 45 MPH LRV, 10 PERCENT INCREASE IN TURNS/CROSS STREET VOLUMES

TCRP Web-Only Document 53 103 Crossing Rear End Lane Change N First St at E Brokaw 2702 11 2577 114 N First St at Karina Ct 1260 3 1155 102 N First St at Charcot Ave 1454 2 1385 67 N First St at Component Dr 617 4 587 26 N First St at Trimble Rd 2015 8 1919 88 PM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change N First St at E Brokaw 3103 9 2983 111 N First St at Karina Ct 576 0 526 50 N First St at Charcot Ave 1421 0 1363 58 N First St at Component Dr 1072 6 1037 29 N First St at Trimble Rd 2118 11 2018 89 AM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change 1 636 2 612 22 2 591 1 564 26 3 625 2 603 20 4 621 3 596 22 5 630 1 608 21 Total 3103 9 2983 111 Average 621 2 597 22 St. Dev 17.5 0.8 19.2 2.3 Coefficient of Variation 0.03 0.46 0.03 0.10 1 128 0 119 9 2 133 0 121 12 3 106 0 96 10 4 106 0 97 9 5 103 0 93 10 Total 576 0 526 50 Average 115 0 105 10 St. Dev 14.1 0.0 13.6 1.2 Coefficient of Variation 0.12 0.00 0.13 0.12 1 293 0 276 17 2 285 0 275 10 3 270 0 257 13 4 294 0 286 8 5 279 0 269 10 Total 1421 0 1363 58 Average 284 0 273 12 St. Dev 10.0 0.0 10.6 3.5 Coefficient of Variation 0.04 0.00 0.04 0.30 1 243 3 236 4 2 200 1 194 5 3 195 0 187 8 4 200 2 192 6 5 234 0 228 6 Total 1072 6 1037 29 Average 214 1 207 6 St. Dev 22.3 1.3 22.8 1.5 Coefficient of Variation 0.10 1.09 0.11 0.26 1 435 3 422 10 2 439 5 416 18 3 388 1 369 18 4 427 1 405 21 5 429 1 406 22 Total 2118 11 2018 89 Average 424 2 404 18 St. Dev 20.5 1.8 20.6 4.7 Coefficient of Variation 0.05 0.81 0.05 0.26 AM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd Crossing Rear End Lane Change 1 529 2 504 23 2 509 3 492 14 3 551 1 520 30 4 552 3 523 26 5 561 2 538 21 Total 2702 11 2577 114 Average 540 2 515 23 St. Dev 21.1 0.8 17.8 6.0 Coefficient of Variation 0.04 0.38 0.03 0.26 1 253 0 235 18 2 254 1 234 19 3 256 1 229 26 4 232 1 209 22 5 265 0 248 17 Total 1260 3 1155 102 Average 252 1 231 20 St. Dev 12.1 0.5 14.2 3.6 Coefficient of Variation 0.05 0.91 0.06 0.18 1 313 0 301 12 2 293 0 276 17 3 303 0 286 17 4 266 1 252 13 5 279 1 270 8 Total 1454 2 1385 67 Average 291 0 277 13 St. Dev 18.7 0.5 18.2 3.8 Coefficient of Variation 0.06 1.37 0.07 0.28 1 116 1 112 3 2 115 0 111 4 3 136 1 130 5 4 118 2 109 7 5 132 0 125 7 Total 617 4 587 26 Average 123 1 117 5 St. Dev 9.8 0.8 9.4 1.8 Coefficient of Variation 0.08 1.05 0.08 0.34 1 392 1 378 13 2 411 2 377 32 3 420 1 406 13 4 407 2 394 11 5 385 2 364 19 Total 2015 8 1919 88 Average 403 2 384 18 St. Dev 14.3 0.5 16.3 8.6 Coefficient of Variation 0.04 0.34 0.04 0.49 PM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd 45 MPH LRV, 15 PERCENT INCREASE IN TURNS/CROSS STREET VOLUMES

TCRP Web-Only Document 53 104 Crossing Rear End Lane Change N First St at E Brokaw 3374 15 3197 162 N First St at Karina Ct 654 1 597 56 N First St at Charcot Ave 1478 1 1416 61 N First St at Component Dr 1169 3 1127 39 N First St at Trimble Rd 2196 18 2074 104 AM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change N First St at E Brokaw 2959 9 2811 139 N First St at Karina Ct 1351 6 1240 105 N First St at Charcot Ave 1538 4 1451 83 N First St at Component Dr 620 6 579 35 N First St at Trimble Rd 2174 6 2086 82 PM Peak Period Conflicts (5 simulations of 5 hours each) Intersection Total Conflicts Type of Conflict Crossing Rear End Lane Change 1 609 1 574 34 2 565 3 541 21 3 590 0 566 24 4 555 2 526 27 5 640 3 604 33 Total 2959 9 2811 139 Average 592 2 562 28 St. Dev 34.3 1.3 30.3 5.6 Coefficient of Variation 0.06 0.72 0.05 0.20 1 279 2 257 20 2 278 0 255 23 3 289 0 269 20 4 249 3 224 22 5 256 1 235 20 Total 1351 6 1240 105 Average 270 1 248 21 St. Dev 16.9 1.3 18.1 1.4 Coefficient of Variation 0.06 1.09 0.07 0.07 1 306 0 290 16 2 304 2 279 23 3 313 2 293 18 4 306 0 295 11 5 309 0 294 15 Total 1538 4 1451 83 Average 308 1 290 17 St. Dev 3.5 1.1 6.5 4.4 Coefficient of Variation 0.01 1.37 0.02 0.26 1 107 0 103 4 2 128 3 116 9 3 128 2 121 5 4 141 1 130 10 5 116 0 109 7 Total 620 6 579 35 Average 124 1 116 7 St. Dev 13.0 1.3 10.5 2.5 Coefficient of Variation 0.10 1.09 0.09 0.36 1 458 1 443 14 2 412 2 392 18 3 448 1 426 21 4 443 0 422 21 5 413 2 403 8 Total 2174 6 2086 82 Average 435 1 417 16 St. Dev 21.1 0.8 20.0 5.5 Coefficient of Variation 0.05 0.70 0.05 0.34 PM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd Crossing Rear End Lane Change 1 666 2 634 30 2 651 3 616 32 3 677 3 645 29 4 692 2 658 32 5 688 5 644 39 Total 3374 15 3197 162 Average 675 3 639 32 St. Dev 16.7 1.2 15.6 3.9 Coefficient of Variation 0.02 0.41 0.02 0.12 1 118 0 110 8 2 141 0 126 15 3 118 0 109 9 4 128 1 115 12 5 149 0 137 12 Total 654 1 597 56 Average 131 0 119 11 St. Dev 13.9 0.4 11.9 2.8 Coefficient of Variation 0.11 2.24 0.10 0.25 1 310 1 299 10 2 306 0 296 10 3 274 0 259 15 4 294 0 278 16 5 294 0 284 10 Total 1478 1 1416 61 Average 296 0 283 12 St. Dev 14.0 0.4 16.0 3.0 Coefficient of Variation 0.05 2.24 0.06 0.25 1 251 0 245 6 2 236 1 227 8 3 201 0 193 8 4 250 1 240 9 5 231 1 222 8 Total 1169 3 1127 39 Average 234 1 225 8 St. Dev 20.3 0.5 20.4 1.1 Coefficient of Variation 0.09 0.91 0.09 0.14 1 453 3 434 16 2 430 3 402 25 3 463 4 438 21 4 423 1 405 17 5 427 7 395 25 Total 2196 18 2074 104 Average 439 4 415 21 St. Dev 17.7 2.2 19.7 4.3 Coefficient of Variation 0.04 0.61 0.05 0.21 AM Peak Period Conflicts (5 hour simulation period) Intersection Simulation # Total Conflicts Type of Conflict N First St at E Brokaw N First St at Karina Ct N First St at Charcot Ave N First St at Component Dr N First St at Trimble Rd

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 Operation of Light Rail Transit through Ungated Crossings at Speeds over 35 MPH
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TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 53: Operation of Light Rail Transit through Ungated Crossings at Speeds over 35 MPH presents the findings of a micro-simulation modeling study that explored the impacts of higher light rail vehicle speeds on intersection safety.

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