DMSs on IH-820 South
| DMS ID | Message |
| I820.Trinity.SB | TRAVEL TIME TO IH-30 4-7 MIN IH-20 16-19 MIN |
| I820.Sun Valley.SB | 1102 DEATHS THIS YEAR ON TEXAS ROADS, DRIVE SMART CLICK IT OR TICKET |
| DMS ID | Message |
| I820.Trinity.SB | TRAVEL TIME TO IH-30 4-7 MIN IH-20 16-19 MIN |
| I820.Sun Valley.SB | 1102 DEATHS THIS YEAR ON TEXAS ROADS, DRIVE SMART CLICK IT OR TICKET |