Civil Engineering Reference
In-Depth Information
Table 17.5
Examples of reported AM peak-hour travel
time savings associated with HOV
facilities and bus lanes
Facility
Year
a
Travel time savings
b
Total (min)
Length
(miles)
Minutes
per mile
Exclusive freeway HOV lanes
Houston, Texas
I-45N (North)
13.5
1996
14
1.0
I-45S (Gulf)
12.1
1996
4
0.3
I-10W (Katy)
13
1996
17
1.3
US 290 (Northwest)
13.5
1996
22
1.6
US 59 (Southwest)
12.2
1996
2
0.2
Los Angeles, California
San Bernardino transit way
12
1992
17
1.4
Minneapolis, Minnesota
I-394 (exclusive and concurrent
fl
ow)
11
1992
5
0.5
Washington, DC
I-95/I-395 (I-95 and Shirley Hwy)
27
1997
39
1.4
I-66 (exclusive and concurrent
fl
ow)
27
1997
28
1.0
Concurrent
fl
flow freeway HOV lanes
California
SR 55, Orange County
11
1986
18
1.6
SR 91, Los Angeles
8
1992
10
1.2
SR 101, San Francisco Bay Area
11
1989
5
0.5
SR 237, San Francisco Bay Area
4
1989
4
1.0
Bay Bridge, San Francisco Bay Area
c
2
1998
20
10.0
Massachusetts
I-93 (N) Boston
d
2.5
1999
10 (max)
4.0 (max)
Maryland
I-270
8
1997
5
6 (AM peak)
0.6
0.8
-
-
9
-
12 (PM peak)
1.1
-
1.5
Miami
-
Ft. Lauderdale
-
Palm Beach
I-95
45
1998
6 (AM/northbound)
0.1
7 (PM/northbound)
0.2
16 (AM/southbound)
0.4
Source
Reference [
19
]
a
Year travel time savings documented
b
Comparison of travel time in the HOV lanes over the general-purpose lanes (in known cases,
unless otherwise noted) for commuters traveling the full length of HOV facility
c
Queue bypass on approach to toll plaza
d
Queue bypass on approach to merge and lane drop
