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 | - | 1.00 | Not Available |  |
| New Territory | FM-1464 | - | 1.50 | Not Available | |
| FM-1464 | Oyster Creek | - | 2.00 | Not Available | |
| Oyster Creek | Harlem Rd | 2:07:45 AM | 1.60 | 1:47 | 1:44 | 54 |  |
| Harlem Rd | W Bellfort | - | 1.50 | Not Available | |
| W Bellfort | Bellaire | - | 2.90 | Not Available | |
| Bellaire | S Fry Rd | - | 1.60 | Not Available | |
| S Fry Rd | Cinco Ranch Blvd | 2:07:45 AM | 2.00 | 1:54 | 3:35 | 63 | |
| Cinco Ranch Blvd | Kingsland | - | 2.20 | Not Available | |
| Kingsland | IH-10 Katy | - | 1.25 | Not Available | |
| IH-10 Katy | Morton | 2:07:45 AM | 1.50 | 2:00 | 5:33 | 45 |  |
| Morton | Clay Rd | 2:07:45 AM | 1.60 | 1:33 | 7:06 | 62 | |
| Clay Rd | Beckendorff | 2:07:45 AM | 1.30 | 1:10 | 8:16 | 67 | |
| Beckendorff | FM-529 | 2:07:45 AM | 1.00 | 00:52 | 9:08 | 69 | |
| FM-529 | West Rd | - | 2.50 | Not Available | |
| West Rd | House Hahl | - | 1.30 | Not Available | |
| House Hahl | Bridgeland Lake Parkway | - | 1.40 | Not Available | |
| Bridgeland Lake Parkway | US-290 Northwest | - | 2.40 | Not Available | |
| Summary | 30.55 | Not Available | |
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 | - | 1.30 | Not Available | |
| West Rd | FM-529 | - | 2.50 | Not Available | |
| FM-529 | Beckendorff | 2:07:45 AM | 1.00 | 1:11 | 1:07 | 51 | |
| Beckendorff | Clay Rd | 2:07:45 AM | 1.30 | 1:12 | 2:19 | 65 | |
| Clay Rd | Morton | 2:07:45 AM | 1.60 | 2:00 | 4:19 | 48 | |
| Morton | IH-10 Katy | - | 1.50 | Not Available | |
| IH-10 Katy | Kingsland | - | 1.25 | Not Available | |
| Kingsland | Cinco Ranch Blvd | 2:07:45 AM | 2.20 | 1:57 | 6:14 | 68 | |
| Cinco Ranch Blvd | S Fry Rd | 2:07:45 AM | 2.00 | 2:14 | 8:28 | 54 | |
| S Fry Rd | Bellaire | 2:07:45 AM | 1.60 | 7:59 | 16:27 | 12 |  |
| Bellaire | W Bellfort | 2:07:45 AM | 2.90 | 2:59 | 19:26 | 58 | |
| W Bellfort | Harlem Rd | - | 1.50 | Not Available | |
| 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 | |
