U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
| REPORT |
| This report is an archived publication and may contain dated technical, contact, and link information |
|
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| Publication Number: FHWA-HRT-13-048 Date: October 2013 |
Publication Number: FHWA-HRT-13-048 Date: October 2013 |
Table 18 provides a summary of the responses from the focus group warm-up activity. Note that the counts in the table correspond to the number of groups where a particular answer was provided.
Table 18. Summary of responses from focus group warm-up activity.
| Question | Seattle, WA |
Columbus, OH |
Washington, DC |
Total |
|---|---|---|---|---|
Questions Related to the Exit |
||||
Where is the exit? |
||||
On the right |
4 |
4 |
4 |
12 |
On the left |
0 |
0 |
0 |
0 |
Sometimes on the left |
1 |
2 |
2 |
5 |
How many lanes would the exit have? |
||||
One lane |
3 |
4 |
4 |
11 |
Two lanes |
1 |
3 |
1 |
5 |
Usually one but sometimes two |
0 |
1 |
1 |
2 |
Depends on exit roadway size |
1 |
0 |
0 |
1 |
Four lanes |
0 |
1 |
0 |
1 |
Could cut off in multiple directions (e.g., North-South, Exit A-B, etc.) |
0 |
0 |
1 |
1 |
What happens to the travel lane after the exit? |
|
|||
It exits and also continues (option lane) |
3 |
4 |
4 |
11 |
It ends (lane drop) |
1 |
3 |
1 |
5 |
Depends if it is marked exit only or not |
2 |
1 |
1 |
4 |
Depends on the traffic volume on the freeway or exiting roadway |
2 |
0 |
0 |
2 |
Questions Related to the Interchange in General |
||||
Where are the signs placed? |
||||
Overhead |
2 |
4 |
1 |
7 |
On the right |
2 |
2 |
1 |
5 |
On the side |
0 |
2 |
0 |
2 |
On the left |
1 |
0 |
0 |
1 |
How far ahead of the exit are the signs? |
||||
2 mi |
0 |
0 |
1 |
1 |
1.5 mi |
1 |
0 |
1 |
2 |
1 mi |
3 |
2 |
2 |
7 |
0.75 mi |
0 |
1 |
1 |
2 |
0.50 mi |
3 |
3 |
2 |
8 |
0.25 mi |
1 |
2 |
1 |
4 |
500 ft |
0 |
0 |
2 |
2 |
300 ft |
1 |
0 |
0 |
1 |
At the exit |
0 |
0 |
2 |
2 |
Are there multiple sets of signs? |
||||
Yes |
1 |
3 |
3 |
7 |
No |
1 |
0 |
0 |
1 |
What should the signs say? |
||||
Destination name |
2 |
3 |
3 |
8 |
Exit number |
3 |
2 |
3 |
8 |
Exit distance |
3 |
2 |
3 |
8 |
Exit only (sometimes) |
1 |
2 |
1 |
4 |
Which lane exits |
2 |
1 |
0 |
3 |
Cardinal direction of the exit roadway |
1 |
1 |
1 |
3 |
Amenities |
1 |
0 |
1 |
2 |
Route number |
0 |
1 |
1 |
2 |
Heading of the road (toward a city or town) |
0 |
1 |
1 |
2 |
Warnings (e.g., reduce speed, sharp curve, etc.) |
1 |
0 |
1 |
2 |
Arrows |
0 |
0 |
1 |
1 |
Information for other upcoming exits |
1 |
0 |
1 |
1 |
Mile number |
0 |
1 |
0 |
1 |
No reentry |
0 |
1 |
0 |
1 |
Speed limit |
0 |
0 |
1 |
1 |
Location of landmarks |
0 |
0 |
1 |
1 |
Do you rely on lane markings? |
||||
No |
3 |
1 |
1 |
5 |
Mentioned destination pavement markings |
1 |
3 |
1 |
5 |
Sometimes |
1 |
3 |
0 |
4 |
If it is a solid white line |
1 |
1 |
1 |
3 |
Yes |
0 |
2 |
0 |
2 |
Only in the exit lane |
1 |
0 |
0 |
1 |
If it is a lane drop |
1 |
0 |
0 |
1 |
Markings if they are related to an infraction fee |
1 |
0 |
0 |
1 |
Arrows |
0 |
1 |
0 |
1 |
