Traffic · awarded bid prices
Detectable Warning Surface: cost per square foot in Delaware
The median awarded price is $39.14 per square foot, from 40 winning bids on 39 public projects in Delaware (2023–2026). Half of the awarded prices fall between $32.00 and $49.25.
Cost by state › Delaware › Detectable Warning Surface
$39.14median per square foot
$32.00 – $49.25middle half (25th–75th percentile)
40winning bids, 39 source documents
2023–2026lettings covered (last 3 years)
Winning bids only, as printed in the agencies' bid tabulations (DelDOT). 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 $44.00 in 2021 to $35.00 in 2025 (-20%).
| Year | Median per square foot | Winning bids |
|---|---|---|
| 2021 | $44.00 | 5 |
| 2022 | $33.50 | 30 |
| 2023 | $38.00 | 35 |
| 2024 | $38.14 | 28 |
| 2025 | $35.00 | 7 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Mar 3, 2026 | DelDOT | 30 SF | $50.00 | contract T202220003 ↗ |
| Oct 7, 2025 | DelDOT | 292 SF | $43.00 | contract T202406101 ↗ |
| Oct 7, 2025 | DelDOT | 154 SF | $32.00 | contract T202406102 ↗ |
| Jul 15, 2025 | DelDOT | 132 SF | $40.00 | contract T201807402 ↗ |
| Jun 24, 2025 | DelDOT | 84 SF | $32.00 | contract T201620011 ↗ |
See every awarded price for this item, in all states, on the Detectable Warning Surface item page.
Detectable Warning Surface in other states
- California: median $54.50 (226 bids)
- Connecticut: median $48.00 (53 bids)
- Alabama: median $57.65 (49 bids)
- Vermont: median $62.00 (33 bids)
- Washington: median $50.00 (29 bids)
Related items in Delaware
- Installation or Removal of Traffic Sign(S) on Single Sign Post: $90.00 per each
- Traffic Officers: $110.00 per hour
- Temporary Markings, Paint Symbol/Legend: $3.00 per square foot
Free account: new awarded prices for this item show on your watchlist.