Traffic and Safety

Understanding driver trust and risk acceptance in automated vehicles

Connected and automated vehicle technologies offer immense potential to reduce serious injury and fatal crashes attributed to driver behavior. A recent study from MIT found a decline from 2016 to 2017 in drivers' acceptance of fully autonomous vehicles or even vehicles only periodically taking over driving, citing discomfort or poor trust in allowing the vehicle to control driving. In Minnesota, this effect may be compounded ...more »

Submitted by (@nlmorris)

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Policy and Planning

Local Planning and Zoning Guidance on Truck Parking

According to the FHWA led, National Coalition on Truck Parking one of the biggest hurdles toward expanded truck parking capacity at key sites across the country are local government zoning and land use regulations. A majority of truck parking is owned and operated by private companies. This project would identify ways to incorporate truck parking in communities in ways that do not cause harmful impacts to residents and ...more »

Submitted by (@andrew.andrusko)

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Policy and Planning

Impacts of Shared Mobility in the State of Minnesota

In recent years, shared mobility (SM), has changed the way people move in major cities. The popularity and growth of SM services are driven by the benefits their users perceive. Among others, users highlight the speed of travel, ready availability, comfort, and convenience, as well as allowing them to avoid driving hassles, such as parking difficulties, and driving after drinking. Despite the benefits for its users, SM ...more »

Submitted by (@fonse024)

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Policy and Planning

State Aid for Transportation Funding in Minnesota

According to MnDOT, state aid for local transportation corresponds to 30% of total expenses in the state, the second highest proportion after state road and bridge construction (39%), but there is very little research about it. In this research, we propose to assess their impact of state aid on localities’ revenue-raising capacity, as well as on local road development. In addition, we propose a review and analysis of ...more »

Submitted by (@fonse024)

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Policy and Planning

The Impact of Deferred Maintenance in Minnesota

In allocating transportation funding, local governments need to balance between new constructions and maintenance. Because regular maintenances are less visible than the construction of new facilities, maintenance costs often take a backseat in transportation improvement plan. When local governments encounter fiscal stress, necessary maintenance costs may be deferred to free up funding for other purposes. The failure ...more »

Submitted by (@fonse024)

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Policy and Planning

The Wheelage Tax and the Local Option Sale Tax for Transportation in Minnesota

Almost 80% of the counties in the state of Minnesota have enacted an additional tax to fund transportation projects. Out of the 87 counties, 54 have adopted the wheelage tax, around 40 have adopted the local option sales tax, and among them, some counties decided to adopt both of them. In addition, most of the counties decided to have a half local option sales tax, while only five decided to have a one-quarter tax. Furthermore, ...more »

Submitted by (@fonse024)

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Policy and Planning

Evaluating the Effectiveness of State Infrastructure Bank in Minnesota

In 1995, the federal government established a State Infrastructure Bank (SIB) program to finance eligible transportation projects. In Minnesota, the Transportation Revolving Loan Fund (TRLF) provides low interest loans to cities, counties and other governmental entities. We propose a research to examine the experience of the TRLF program and to evaluate its effectiveness in promoting local transportation development. ...more »

Submitted by (@fonse024)

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Policy and Planning

Developing a Transportation Finance Database for Minnesota Cities

Transportation is a critical component of public services provided by Minnesota cities. On one hand, the cities are facing similar challenges to leverage sufficient amount of revenues to fund its transportation system. On the other hand, each city may have some unique characteristics – geographic, demographic, socioeconomic etc. -- that affect its demand and supply of transportation services. There is a lot that the cities ...more »

Submitted by (@fonse024)

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Traffic and Safety

Identify Engineering Risk Factors for Twin Trailer and Long Combination Vehicles

Long Combination Vehicles such as Twin Trailers pose a particular challenge for transportation authorities in ensuring that safe routes are identified and approved for travel. This research proposes to identify all of the safety risk factors and hazards around twin trailers and other multi-unit freight vehicles on highways. The results of this synthesis would be used to inform future updates and evaluations for the Minnesota ...more »

Submitted by (@andrew.andrusko)

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Policy and Planning

Improve Default Annual Average Daily Traffic (AADT)

Annual Average Daily Traffic (AADT) is created statewide for federal reporting but less than 50% of the centerline miles are tied to routine traffic counts. The rest use default AADT derived from less than 500 sample counts taken over 25 years ago. A pilot project to review and implement the current industry best practices for random sampling of roadways that are not routinely counted would lead to better default AADT ...more »

Submitted by (@christy.prentice)

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Traffic and Safety

Non-Intrusive Traffic Counting methods

Field staff currently count locations with hoses and traffic counters. More and more of the manual count locations such as these are difficult/unsafe (dangerous) to place hose counts - especially class counts versus regular volume counts. There are traffic cameras in place at some locations - could these be used to count traffic for the information needed? Are other non-intrusive traffic counting methods possible? The ...more »

Submitted by (@lia.nistler)

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Traffic and Safety

New Frontiers in Geometric Design – Designing for the Driver’s Encounter

Roundabouts, reverse diamonds, and back-in parking are several of the new geometric design approaches that are improving traffic safety and flow. However, developing driver understanding and confidence has required significant advance effort or a willingness to accept a steep learning curve as drivers encounter new patterns and geometries. To raise awareness and support for these new features, several innovative approaches ...more »

Submitted by (@sdruschel)

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