SH-99 Lanier Parkway-West Mainlanes Northbound 
|
| From | To | Data Age | Distance (miles) | Link Travel Time(m:ss) | Cumulative Travel Time(m:ss) | Speed(mph) | |
| Brazos River | New Territory | 1:20:46 AM | 1.00 | 00:57 | 00:57 | 63 |  |
| New Territory | FM-1464 | 1:20:46 AM | 1.50 | 1:28 | 2:25 | 61 | |
| FM-1464 | Oyster Creek | 1:20:46 AM | 2.00 | 1:42 | 4:07 | 71 | |
| Oyster Creek | Harlem Rd | 1:20:46 AM | 1.60 | 1:31 | 5:38 | 63 | |
| Harlem Rd | W Bellfort | 1:20:46 AM | 1.50 | 1:11 | 6:49 | 76 | |
| W Bellfort | Bellaire | 1:20:46 AM | 2.90 | 2:53 | 9:42 | 60 | |
| Bellaire | S Fry Rd | - | 1.60 | Not Available |  |
| S Fry Rd | Cinco Ranch Blvd | - | 2.00 | Not Available | |
| Cinco Ranch Blvd | Kingsland | 1:20:46 AM | 2.20 | 2:06 | 11:46 | 63 | |
| Kingsland | IH-10 Katy | 1:12:46 AM | 1.25 | 1:10 | 12:56 | 64 | |
| IH-10 Katy | Morton | 1:20:46 AM | 1.50 | 1:55 | 14:51 | 47 |  |
| Morton | Clay Rd | 1:20:46 AM | 1.60 | 1:28 | 16:19 | 65 | |
| Clay Rd | Beckendorff | 1:20:46 AM | 1.30 | 1:17 | 17:36 | 61 | |
| Beckendorff | FM-529 | 1:20:46 AM | 1.00 | 00:55 | 18:31 | 65 | |
| FM-529 | West Rd | 1:20:46 AM | 2.50 | 2:06 | 20:37 | 71 | |
| West Rd | House Hahl | 1:20:46 AM | 1.30 | 1:09 | 21:46 | 68 | |
| House Hahl | Bridgeland Lake Parkway | - | 1.40 | Not Available | |
| Bridgeland Lake Parkway | US-290 Northwest | - | 2.40 | Not Available | |
| Summary | 30.55 | 21:44 | 21:44 | 84 | |
SH-99 Lanier Parkway-West Mainlanes Southbound 
|
| From | To | Data Age | Distance (miles) | Link Travel Time(m:ss) | Cumulative Travel Time(m:ss) | Speed(mph) | |
| US-290 Northwest | Bridgeland Lake Parkway | - | 2.40 | Not Available | |
| Bridgeland Lake Parkway | House Hahl | - | 1.40 | Not Available | |
| House Hahl | West Rd | 1:20:46 AM | 1.30 | 1:27 | 1:25 | 54 | |
| West Rd | FM-529 | 1:18:46 AM | 2.50 | 1:57 | 3:22 | 77 | |
| FM-529 | Beckendorff | 1:20:46 AM | 1.00 | 1:19 | 4:41 | 46 | |
| Beckendorff | Clay Rd | 1:20:46 AM | 1.30 | 1:11 | 5:52 | 66 | |
| Clay Rd | Morton | - | 1.60 | Not Available | |
| Morton | IH-10 Katy | - | 1.50 | Not Available | |
| IH-10 Katy | Kingsland | 1:20:46 AM | 1.25 | 1:24 | 7:14 | 54 | |
| Kingsland | Cinco Ranch Blvd | 1:20:46 AM | 2.20 | 1:41 | 8:55 | 78 | |
| Cinco Ranch Blvd | S Fry Rd | - | 2.00 | Not Available | |
| S Fry Rd | Bellaire | - | 1.60 | Not Available | |
| Bellaire | W Bellfort | - | 2.90 | Not Available | |
| W Bellfort | Harlem Rd | 1:20:46 AM | 1.50 | 1:13 | 10:05 | 74 | |
| Harlem Rd | Oyster Creek | - | 1.60 | Not Available | |
| Oyster Creek | FM-1464 | - | 2.00 | Not Available | |
| FM-1464 | New Territory | - | 1.50 | Not Available | |
| New Territory | Brazos River | - | 1.00 | Not Available | |
| Summary | 30.55 | Not Available | |
