Traffic · awarded bid prices
Detectable Warnings: cost per square foot in Illinois
The median awarded price is $40.00 per square foot, from 673 winning bids on 673 public projects in Illinois (2023–2026). Half of the awarded prices fall between $31.00 and $47.25.
Cost by state › Illinois › Detectable Warnings
Winning bids only, as printed in the agencies' bid tabulations (City of Peoria, IDOT, Winnebago County Highway Department). These are prices agencies awarded, not quotes: a price on a given job depends on quantity, location and timing, and the figures here are not adjusted for any of them.
Trend
The median awarded price went from $30.00 in 2021 to $38.00 in 2026 (+27%).
| Year | Median per square foot | Winning bids |
|---|---|---|
| 2021 | $30.00 | 196 |
| 2022 | $35.00 | 213 |
| 2023 | $38.50 | 199 |
| 2024 | $40.00 | 218 |
| 2025 | $40.00 | 252 |
| 2026 | $38.00 | 174 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Sep 18, 2026 | IDOT | 1815 SQ FT | $20.45 | Open bid tab, 62V55 ↗ |
| Sep 18, 2026 | IDOT | 273 SQ FT | $42.00 | Open bid tab, 62V85 ↗ |
| Sep 18, 2026 | IDOT | 799 SQ FT | $40.00 | Open bid tab, 62W73 ↗ |
| Sep 18, 2026 | IDOT | 40 SQ FT | $50.16 | Open bid tab, 78C29 ↗ |
| Sep 18, 2026 | IDOT | 393 SQ FT | $20.41 | Open bid tab, 80C95 ↗ |
See every awarded price for this item, in all states, on the Detectable Warnings item page.
Detectable Warnings in other states
- Florida: median $40.43 (377 bids)
- Iowa: median $50.00 (184 bids)
- Kentucky: median $50.00 (170 bids)
- Colorado: median $80.90 (29 bids)
Related items in Illinois
- Sign Panel T1: $34.00 per square foot
- Pavement Marking Removal: $6.72 per square foot
Free account: new awarded prices for this item show on your watchlist.