• 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 miles10:27 (61 mph)12:58 (50 mph)1.24 14:26 (44 mph)1.38 0:14
US-290 Northwest to SH-24913.0 miles14:29 (54 mph)11:43 (67 mph)0.81 14:29 (54 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)13:11 (59 mph)1.03 13:34 (57 mph)1.06 0:02
Westpark Tollway to IH-10 Katy5.0 miles4:39 (64 mph)4:40 (64 mph)1.00 4:49 (62 mph)1.04 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)4:33 (65 mph)0.99 4:42 (63 mph)1.02 0:00
US-290 Northwest to IH-10 Katy11.5 miles12:04 (57 mph)12:40 (54 mph)1.05 13:05 (53 mph)1.08 0:03
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 miles13:15 (59 mph)11:10 (70 mph)0.84 13:15 (59 mph)1.00 0:00
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