• Weekday AM Peak (6a-10a)
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  • Weekday Midday (10a-4p)
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  • Weekday PM Peak (4p-8p)
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  • Weekend (6a-8p)
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SH-99 Eastbound AM Peak (6 AM to 10 AM) - 90 Day Trailing Average
From/ToDistance Free Flow (mm:ss) Average (mm:ss) Travel Time Index 80th Percentile
(mm:ss)
Planning Time Index
(80th Percentile)
Delay Per Mile
(mm:ss)
IH-45 North to IH-69 Eastex13.3 milesN/AN/AN/AN/AN/AN/A
SH-249 to IH-45 North10.7 miles10:23 (62 mph)13:54 (46 mph)1.34 15:25 (42 mph)1.48 0:20
US-290 Northwest to SH-24913.0 miles26:52 (29 mph)13:34 (57 mph)0.50 26:52 (29 mph)1.00 0:00
SH-99 Northbound AM Peak (6 AM to 10 AM) - 90 Day Trailing Average
From/ToDistance Free Flow (mm:ss) Average (mm:ss) Travel Time Index 80th Percentile
(mm:ss)
Planning Time Index
(80th Percentile)
Delay Per Mile
(mm:ss)
IH-10 Katy to US-290 Northwest13.0 miles12:49 (61 mph)13:15 (59 mph)1.03 13:45 (57 mph)1.07 0:02
Westpark Tollway to IH-10 Katy5.0 miles4:41 (64 mph)4:41 (64 mph)1 4:47 (62 mph)1.02 0:00
SH-99 Southbound AM Peak (6 AM to 10 AM) - 90 Day Trailing Average
From/ToDistance Free Flow (mm:ss) Average (mm:ss) Travel Time Index 80th Percentile
(mm:ss)
Planning Time Index
(80th Percentile)
Delay Per Mile
(mm:ss)
IH-10 Katy to Westpark Tollway5.0 miles4:36 (65 mph)4:34 (65 mph)0.99 4:38 (64 mph)1.01 0:00
US-290 Northwest to IH-10 Katy11.5 miles11:40 (59 mph)12:44 (54 mph)1.09 13:24 (51 mph)1.15 0:06
SH-99 Westbound AM Peak (6 AM to 10 AM) - 90 Day Trailing Average
From/ToDistance Free Flow (mm:ss) Average (mm:ss) Travel Time Index 80th Percentile
(mm:ss)
Planning Time Index
(80th Percentile)
Delay Per Mile
(mm:ss)
IH-45 North to SH-24910.7 milesN/AN/AN/AN/AN/AN/A
IH-69 Eastex to IH-45 North13.3 milesN/AN/AN/AN/AN/AN/A
SH-249 to US-290 Northwest13.0 milesN/AN/AN/AN/AN/AN/A
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