FAQ Search Results

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Do roundabouts work for bicycles and pedestrians?

Modern roundabouts by their design require motorists to slow down typically to less than 25 mph (40 km/h), and preferably 15 mph (25 km/h) to proceed through the intersection. The literature shows that, ...more >

How can I predict sidewalk use?

While most communities routinely collect motor vehicle traffic counts, very few gather pedestrian counts. This means that the data necessary to reliably predict sidewalk use is rarely available. The leading method for predicting walking trips involves a complex model from university research which examines four factors: ...more >

Can separate bicycle facilities (shared use paths) be built within interstate rights-of-way?

Yes. The Federal Highway Administration issued Guidance on Bicycle and Pedestrian Provisions of the Federal-aid Program on February 24, 1999, which states: "Shared use paths along Interstate corridors are eligible for the use of National Highway System ( ...more >

Can separate bicycle facilities (shared use paths) be built within interstate rights-of-way?

Yes. The Federal Highway Administration issued Guidance on Bicycle and Pedestrian Provisions of the Federal-aid Program on February 24, 1999, which states: "Shared use paths along Interstate corridors are eligible for the use of National Highway System ( ...more >

Do bicycle lanes improve safety for bicyclists?

The overall safety of on-street bicycle lanes is a highly debated topic. Those in favor of bike lanes argue that they improve safety because they encourage cyclists to ride in the correct direction, ...more >

What are some pedestrian bridge design considerations, resources and best practices?

Image: Dan Burden Pedestrian bridge placement/location is as important a consideration as any design elements. Pedestrians weigh the perceived safety of using the bridge against the extra effort and time required to access it. ...more >

How can we accommodate baby strollers and bicycles on outdoor staircases?

An important consideration in answering this question is the need to keep the staircase compliant with the Americans with Disabilities Act (ADA). ADA specifications and guidelines can be quite stringent and are enforced as a civil rights issue by the U. ...more >

How can we accommodate baby strollers and bicycles on outdoor staircases?

An important consideration in answering this question is the need to keep the staircase compliant with the Americans with Disabilities Act (ADA). ADA specifications and guidelines can be quite stringent and are enforced as a civil rights issue by the U. ...more >

What is a bicycle boulevard?

Bicycle boulevards are low-volume streets that have been optimized for bicycle travel through traffic calming and diversion, signage and pavement markings, and intersection crossing treatments. Bicycle boulevards are shared roadway facilities that, ...more >

What on-road signs are appropriate where a trail crosses a roadway?

Advance warning signs that define the upcoming crossing condition to approaching motorists are useful to provide notice and create awareness of the subsequent crossing. Warning signs are black on yellow, ...more >