| Year | Length of municipal roads | |||||
|---|---|---|---|---|---|---|
| paved with stone | paved with concrete | paved with bituminous concrete and cast asphalt | post-compacting asphalt | unmetalled roads | total | |
| 2001 | .. | .. | .. | .. | .. | .. |
| 2002 | 1 778 | 1 391 | 28 617 | 8 233 | 99 794 | 139 813 |
| 2003 | 1 446 | 1 908 | 29 063 | 8 084 | 109 855 | 150 355 |
| 2004 | 1 400 | 1 903 | 29 959 | 7 922 | 115 517 | 156 701 |
| 2005 | 1 341 | 1 885 | 30 540 | 7 899 | 117 095 | 158 760 |
| 2006 | 1 297 | 1 938 | 31 756 | 7 645 | 119 286 | 161 922 |
| 2007 | 1 328 | 1 922 | 32 164 | 7 497 | 121 628 | 164 539 |
| 2008 | 1 302 | 1 894 | 32 682 | 7 411 | 122 881 | 166 170 |
| 2009 | 1 296 | 1 968 | 33 306 | 7 329 | 122 244 | 166 142 |
| 2010 | 1 239 | 2 020 | 34 063 | 7 413 | 123 205 | 167 939 |
| 2011 | 1 258 | 2 027 | 34 324 | 7 231 | 124 423 | 169 263 |
| 2012 | 1 266 | 2 059 | 34 593 | 7 177 | 125 154 | 170 249 |
| 2013 | 1 247 | 2 059 | 34 880 | 7 169 | 126 195 | 171 549 |
| 2014 | 1 196 | 2 053 | 35 188 | 7 122 | 126 696 | 172 255 |
| 2015 | 1 201 | 2 086 | 35 218 | 7 377 | 127 075 | 172 957 |
| 2016 | 1 189 | 2 142 | 35 588 | 7 373 | 128 286 | 174 577 |
| 2017 | 1 189 | 2 224 | 36 203 | 7 342 | 131 762 | 178 721 |
| 2018 | 1 096 | 2 195 | 36 968 | 7 106 | 134 032 | 181 396 |
| 2019 | 1 163 | 2 063 | 37 702 | 7 162 | 133 554 | 181 644 |