University of California Pavement Research Center
Parent: UC Davis Institute of Transportation Studies
eScholarship stats: History by Unit for May, 2010 through September, 2026
| Unit | Total requests | 2026-09 | 2026-08 | 2026-07 | 2026-06 | 2026-05 | 2026-04 | 2026-03 | 2026-02 | 2026-01 | 2025-12 | 2025-11 | 2025-10 | 2025-09 | 2025-08 | 2025-07 | 2025-06 | 2025-05 | 2025-04 | 2025-03 | 2025-02 | 2025-01 | 2024-12 | 2024-11 | 2024-10 | 2024-09 | 2024-08 | 2024-07 | 2024-06 | 2024-05 | 2024-04 | 2024-03 | 2024-02 | 2024-01 | 2023-12 | 2023-11 | 2023-10 | 2023-09 | 2023-08 | 2023-07 | 2023-06 | 2023-05 | 2023-04 | 2023-03 | 2023-02 | 2023-01 | 2022-12 | 2022-11 | 2022-10 | 2022-09 | 2022-08 | 2022-07 | 2022-06 | 2022-05 | 2022-04 | 2022-03 | 2022-02 | 2022-01 | 2021-12 | 2021-11 | 2021-10 | 2021-09 | 2021-08 | 2021-07 | 2021-06 | 2021-05 | 2021-04 | 2021-03 | 2021-02 | 2021-01 | 2020-12 | 2020-11 | 2020-10 | 2020-09 | 2020-08 | 2020-07 | 2020-06 | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 | 2016-01 | 2015-12 | 2015-11 | 2015-10 | 2015-09 | 2015-08 | 2015-07 | 2015-06 | 2015-05 | 2015-04 | 2015-03 | 2015-02 | 2015-01 | 2014-12 | 2014-11 | 2014-10 | 2014-09 | 2014-08 | 2014-07 | 2014-06 | 2014-05 | 2014-04 | 2014-03 | 2014-02 | 2014-01 | 2013-12 | 2013-11 | 2013-10 | 2013-09 | 2013-08 | 2013-07 | 2013-06 | 2013-05 | 2013-04 | 2013-03 | 2013-02 | 2013-01 | 2012-12 | 2012-11 | 2012-10 | 2012-09 | 2012-08 | 2012-07 | 2012-06 | 2012-05 | 2012-04 | 2012-03 | 2012-02 | 2012-01 | 2011-12 | 2011-11 | 2011-10 | 2011-09 | 2011-08 | 2011-07 | 2011-06 | 2011-05 | 2011-04 | 2011-03 | 2011-02 | 2011-01 | 2010-12 | 2010-11 | 2010-10 | 2010-09 | 2010-08 | 2010-07 | 2010-06 | 2010-05 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall | 217,969 | 4,915 | 14,509 | 6,684 | 9,892 | 14,080 | 13,180 | 10,648 | 6,832 | 8,411 | 7,558 | 8,794 | 5,092 | 3,812 | 5,246 | 7,362 | 6,812 | 4,162 | 2,356 | 2,847 | 2,182 | 1,683 | 1,445 | 1,502 | 2,165 | 1,222 | 3,258 | 3,159 | 1,318 | 1,414 | 1,358 | 1,447 | 1,400 | 1,808 | 1,383 | 1,207 | 1,183 | 1,167 | 1,008 | 1,212 | 1,115 | 1,246 | 1,142 | 1,216 | 1,070 | 1,095 | 1,171 | 1,469 | 1,195 | 1,269 | 1,167 | 1,184 | 1,255 | 1,204 | 1,395 | 1,331 | 1,006 | 976 | 903 | 1,057 | 967 | 1,112 | 858 | 826 | 1,090 | 772 | 857 | 3,236 | 1,543 | 787 | 755 | 828 | 966 | 224 | 174 | 115 | 221 | 110 | 70 | 63 | 76 | 51 | 64 | 51 | 107 | 60 | 55 | 74 | 62 | 89 | 78 | 64 | 60 | 73 | 154 | 29 | 23 | 12 | 21 | 21 | 25 | 21 | 40 | 28 | 30 | 25 | 64 | 51 | 19 | 27 | 19 | 12 | 17 | 14 | 15 | 28 | 33 | 13 | 10 | 19 | 34 | 27 | 33 | 27 | 32 | 28 | 37 | 21 | 52 | 20 | 17 | 16 | 20 | 8 | 19 | 12 | 34 | 20 | 14 | 21 | 11 | 9 | 26 | 16 | 22 | 15 | 14 | 21 | 23 | 21 | 19 | 22 | 41 | 14 | 8 | 10 | 14 | 8 | 12 | 17 | 8 | 18 | 27 | 20 | 27 | 17 | 11 | 16 | 10 | 25 | 21 | 21 | 8 | 16 | 17 | 15 | 20 | 7 | 6 | 15 | 16 | 4 | 7 | 13 | 26 | 18 | 24 | 24 | 21 | 7 | 17 | 24 | 41 | 33 | 25 | 9 | 12 | 1 |
| Research Reports | 106,020 | 2,346 | 6,611 | 3,234 | 4,772 | 7,344 | 6,543 | 5,315 | 3,476 | 4,132 | 3,704 | 4,190 | 2,388 | 1,830 | 2,478 | 3,490 | 3,482 | 2,096 | 1,090 | 1,449 | 1,051 | 799 | 636 | 552 | 838 | 446 | 1,490 | 1,469 | 578 | 597 | 651 | 679 | 679 | 898 | 634 | 620 | 572 | 575 | 541 | 586 | 463 | 539 | 492 | 537 | 486 | 519 | 598 | 581 | 565 | 568 | 517 | 555 | 548 | 622 | 730 | 731 | 465 | 443 | 397 | 493 | 472 | 513 | 457 | 441 | 559 | 358 | 397 | 1,706 | 624 | 338 | 431 | 461 | 565 | 159 | 73 | 60 | 53 | 59 | 52 | 42 | 57 | 40 | 54 | 41 | 76 | 37 | 40 | 51 | 45 | 69 | 46 | 45 | 37 | 42 | 150 | 20 | 19 | 8 | 12 | 16 | 16 | 15 | 17 | 18 | 22 | 18 | 15 | 25 | 13 | 19 | 18 | 9 | 15 | 12 | 12 | 25 | 25 | 10 | 8 | 18 | 29 | 21 | 32 | 25 | 30 | 26 | 34 | 17 | 49 | 18 | 14 | 14 | 17 | 7 | 12 | 9 | 30 | 18 | 11 | 18 | 6 | 8 | 21 | 14 | 19 | 13 | 12 | 19 | 21 | 17 | 16 | 17 | 38 | 10 | 6 | 8 | 10 | 8 | 9 | 14 | 6 | 14 | 26 | 20 | 21 | 15 | 5 | 10 | 8 | 17 | 14 | 13 | 7 | 11 | 14 | 14 | 15 | 7 | 6 | 11 | 13 | 4 | 5 | 12 | 22 | 16 | 20 | 21 | 17 | 7 | 14 | 22 | 39 | 30 | 23 | 7 | 11 | 1 |
| Technical Memoranda | 69,199 | 1,574 | 4,824 | 2,423 | 3,686 | 4,692 | 4,262 | 3,575 | 2,356 | 2,913 | 2,529 | 2,948 | 1,681 | 1,243 | 1,656 | 2,388 | 2,187 | 1,286 | 896 | 910 | 748 | 591 | 562 | 542 | 815 | 385 | 1,085 | 1,048 | 457 | 469 | 410 | 438 | 455 | 555 | 422 | 365 | 349 | 315 | 292 | 419 | 417 | 400 | 390 | 372 | 319 | 308 | 315 | 512 | 359 | 443 | 346 | 329 | 341 | 334 | 376 | 329 | 284 | 207 | 317 | 340 | 252 | 300 | 204 | 188 | 250 | 190 | 176 | 650 | 296 | 185 | 196 | 196 | 281 | 18 | 24 | 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Guidelines | 12,933 | 485 | 1,640 | 486 | 538 | 590 | 686 | 478 | 234 | 325 | 295 | 410 | 281 | 203 | 242 | 313 | 282 | 223 | 111 | 119 | 122 | 72 | 70 | 81 | 147 | 71 | 157 | 161 | 91 | 101 | 99 | 56 | 76 | 101 | 125 | 52 | 61 | 122 | 55 | 60 | 68 | 108 | 86 | 86 | 85 | 59 | 84 | 107 | 72 | 72 | 103 | 128 | 202 | 65 | 52 | 67 | 85 | 99 | 49 | 55 | 77 | 82 | 83 | 78 | 94 | 95 | 95 | 463 | 233 | 25 | 15 | 18 | 22 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Affiliated Publications | 12,586 | 145 | 520 | 222 | 286 | 475 | 596 | 435 | 284 | 407 | 384 | 409 | 286 | 232 | 391 | 444 | 335 | 195 | 122 | 187 | 96 | 102 | 77 | 194 | 193 | 242 | 257 | 201 | 95 | 130 | 110 | 148 | 93 | 114 | 111 | 93 | 119 | 74 | 42 | 72 | 93 | 120 | 103 | 127 | 77 | 95 | 86 | 109 | 99 | 56 | 88 | 70 | 67 | 68 | 94 | 70 | 83 | 88 | 63 | 77 | 91 | 83 | 42 | 53 | 87 | 53 | 120 | 249 | 246 | 194 | 72 | 99 | 27 | 39 | 55 | 22 | 129 | 49 | 15 | 13 | 12 | 6 | 6 | 5 | 14 | 21 | 12 | 20 | 12 | 14 | 30 | 13 | 15 | 17 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary Reports | 7,823 | 156 | 367 | 115 | 301 | 403 | 529 | 362 | 252 | 312 | 305 | 415 | 214 | 130 | 226 | 325 | 263 | 165 | 64 | 88 | 70 | 50 | 36 | 43 | 68 | 18 | 102 | 120 | 25 | 34 | 28 | 51 | 37 | 47 | 23 | 30 | 24 | 28 | 33 | 32 | 31 | 26 | 37 | 51 | 60 | 61 | 39 | 62 | 55 | 67 | 58 | 38 | 49 | 47 | 64 | 44 | 34 | 38 | 35 | 38 | 38 | 45 | 41 | 37 | 64 | 26 | 32 | 62 | 34 | 15 | 24 | 30 | 20 | 4 | 18 | 30 | 18 | 2 | 1 | 3 | 1 | 1 | 2 | 2 | 6 | 1 | 2 | 1 | 4 | 3 | 1 | 2 | 4 | 11 | 3 | 7 | 3 | 4 | 7 | 4 | 5 | 6 | 21 | 10 | 5 | 6 | 49 | 24 | 5 | 3 | 2 | 1 | 1 | 3 | 3 | 8 | 3 | 2 | 1 | 5 | 6 | 1 | 2 | 2 | 2 | 3 | 4 | 3 | 2 | 3 | 2 | 3 | 1 | 7 | 3 | 4 | 2 | 3 | 3 | 5 | 1 | 5 | 2 | 3 | 2 | 2 | 2 | 2 | 4 | 3 | 5 | 3 | 4 | 2 | 2 | 4 | 3 | 3 | 2 | 4 | 1 | 6 | 2 | 6 | 6 | 2 | 8 | 7 | 8 | 1 | 5 | 3 | 1 | 5 | 4 | 3 | 2 | 1 | 4 | 2 | 4 | 3 | 4 | 3 | 2 | 2 | 3 | 2 | 2 | 1 | ||||||||
| Reprint Reports | 6,931 | 146 | 386 | 148 | 239 | 432 | 413 | 374 | 175 | 254 | 263 | 327 | 183 | 136 | 186 | 320 | 207 | 161 | 53 | 63 | 67 | 49 | 53 | 75 | 78 | 46 | 127 | 130 | 55 | 68 | 45 | 68 | 46 | 73 | 48 | 35 | 34 | 22 | 34 | 20 | 20 | 41 | 25 | 36 | 32 | 45 | 44 | 71 | 39 | 48 | 43 | 57 | 23 | 48 | 59 | 61 | 42 | 75 | 30 | 35 | 24 | 71 | 18 | 18 | 19 | 40 | 24 | 81 | 78 | 14 | 4 | 4 | 16 | 2 | 1 | 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| White Papers | 1,512 | 19 | 60 | 25 | 49 | 85 | 82 | 65 | 31 | 36 | 38 | 48 | 27 | 23 | 32 | 43 | 32 | 22 | 15 | 21 | 20 | 15 | 7 | 13 | 19 | 9 | 19 | 17 | 15 | 12 | 13 | 7 | 11 | 11 | 16 | 11 | 20 | 30 | 9 | 22 | 22 | 12 | 7 | 5 | 9 | 6 | 4 | 24 | 5 | 10 | 11 | 7 | 21 | 13 | 19 | 27 | 12 | 25 | 8 | 15 | 11 | 17 | 11 | 10 | 14 | 10 | 9 | 14 | 30 | 13 | 13 | 17 | 32 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Policy Briefs | 965 | 44 | 101 | 31 | 21 | 59 | 69 | 44 | 24 | 32 | 40 | 47 | 32 | 15 | 35 | 39 | 24 | 14 | 5 | 10 | 8 | 5 | 4 | 2 | 7 | 5 | 21 | 13 | 2 | 3 | 2 | 3 | 9 | 4 | 1 | 4 | 1 | 2 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 3 | 1 | 5 | 1 | 4 | 7 | 1 | 2 | 1 | 1 | 4 | 4 | 2 | 1 | 2 | 1 | 3 | 4 | 11 | 2 | 3 | 3 | 3 | 2 | 4 | 3 | 21 | 2 | 5 | 6 | 4 | 2 | 2 | 3 | 1 | 1 | 2 | 1 | 3 | 1 | 4 | 4 | 3 | 1 | 2 | 1 | 2 | 1 | 4 | 2 | 3 | 1 | 2 | 1 | 5 | 1 | 1 | 1 | 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Presentations |
Note: Due to the evolving nature of web traffic, the data presented here should be considered approximate and subject to revision. Learn more.