Traffic · awarded bid prices
Detectable Warning Surface: cost per square foot in Alabama
The median awarded price is $57.65 per square foot, from 49 winning bids on 49 public projects in Alabama (2023–2026). Half of the awarded prices fall between $45.00 and $71.75.
Cost by state › Alabama › Detectable Warning Surface
$57.65median per square foot
$45.00 – $71.75middle half (25th–75th percentile)
49winning bids, 49 source documents
2023–2026lettings covered (last 3 years)
Winning bids only, as printed in the agencies' bid tabulations (ALDOT). 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 $34.94 in 2021 to $68.00 in 2026 (+95%).
| Year | Median per square foot | Winning bids |
|---|---|---|
| 2021 | $34.94 | 16 |
| 2022 | $50.58 | 28 |
| 2023 | $54.91 | 28 |
| 2024 | $58.26 | 15 |
| 2025 | $49.00 | 15 |
| 2026 | $68.00 | 15 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Jul 31, 2026 | ALDOT | 350 SQFT | $68.00 | Open bid tab, contract 20260731017 |
| Jul 31, 2026 | ALDOT | 68 SQFT | $125.59 | Open bid tab, contract 20260731022 |
| Jun 26, 2026 | ALDOT | 50 SQFT | $71.75 | Open bid tab, contract 20260626028 |
| Jun 26, 2026 | ALDOT | 343 SQFT | $25.00 | Open bid tab, contract 20260626029 |
| Jun 26, 2026 | ALDOT | 299 SQFT | $50.00 | Open bid tab, contract 20260626032 |
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)
- Delaware: median $39.14 (40 bids)
- Vermont: median $62.00 (33 bids)
- Washington: median $50.00 (29 bids)
Related items in Alabama
- Construction Signs: $6.50 per square foot
- Traffic Control Markings, Class 2, Type A: $5.83 per square foot
- Solid Temporary Traffic Stripe: $1,034 per mile
- Solid White, Class 2, Type A Traffic Stripe (5" Wide): $4,420 per mile
- Solid Yellow, Class 2, Type A Traffic Stripe (5" Wide): $4,426 per mile
- Pavement Markers, Class A-h, Type 2-D: $5.80 per each
- Broken Temporary Traffic Stripe: $975.00 per mile
- Temporary Traffic Control Markings: $2.22 per square foot
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