 The
Thermoplastic Rumble Strip Process... |
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| The
Thermoplastic Rumble Strip Process... |
| |
Purpose: To alert motorists of an approaching "stop", "slow down", or "dangerous road conditions" ahead. |
| Description: Constructed of built up layers of hot extruded alkyd or hydrocarbon thermoplastic road marking material. Each line consists of three layers of 125 mil thick thermoplastic. The first layer is six inches wide with the second and third layers being five and four inches wide respectively. The top layer shall have reflective glass beads added prior to cooling. A strip normally consists of five lines. A set normally consists of four to five strips. The number of strips can vary to achieve desired results. |
| Posted | Sets | Spacing | Distance | |||||||||
| Speed | Of | Between | Between | |||||||||
| Limits | Strips | Lines | Strips | |||||||||
| 25 | 4-5 | 24" | 75' | |||||||||
| 30 | 4-5 | 24" | 100' | |||||||||
| 35 | 4-5 | 24" | 100' | |||||||||
| 40 | 4-5 | 30" | 125' | |||||||||
| 45 | 4-5 | 30" | 125' | |||||||||
| 50 | 4-5 | 36" | 150' | |||||||||
| 55 | 4-5 | 36" | 150' |
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